{
  "manageEntity": {
    "action": "Update",
    "entityId": "262120414",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x09be178c29067f5617739a5cfba42d3fab7cb4c73512f81534e7ebf848f03112",
    "signature": "0xebfb5abb4179a8b188e69defa89e84287c447cebda4ba902715502ba522ba6b969f96d1f3c62ff2a670c2ab3625798acb173db4607fb59ed792a5e8756f225dc1c",
    "signer": "0x12F25F58Cb34d6df58d2e1E6f81153193f1da01c",
    "userId": "262120414"
  }
}