{
  "manageEntity": {
    "action": "Update",
    "entityId": "712086150",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7hjaqf7ua7lwu7btkrhurfros7legw2la6dx5ochlfzzckrs662q\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1605303703},{\"type\":\"playlist\",\"playlist_id\":1071054136},{\"type\":\"playlist\",\"playlist_id\":1939627682}]}}}",
    "nonce": "0x302d606b97c91c387f3123510be14d38169740fbc1325a9cc223f51851e66e82",
    "signature": "0x217f415db026b2087abaaa0536c80c6a66c715e1a68c5ec3bf4202ca2b0ea95615821eb7a83ffee804d7c1bd7a8172bd43ec833bb7d59cece7096a06658d13da1b",
    "signer": "0xa4Ba398F3e9Eafaee98c0Aa363681429b0Cd09f9",
    "userId": "712086150"
  }
}