{
  "manageEntity": {
    "action": "Update",
    "entityId": "225555021",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x06fb094d32cf0844fa745ea88a7b11081d46cf8813c2fd2435f0f7a00bb5e1a4",
    "signature": "0x1a65cde39d18a0c3933c48f0ecace56e3070f7d15dc791dc0b2c64287171a0321a418f00bc844919d890c2e961a13c0223873b60ba2d04d528b7aa8a1a4ae2dd1b",
    "signer": "0xC60aE132ED48aa4D3c7e539285a2180C8C778625",
    "userId": "225555021"
  }
}