{
  "manageEntity": {
    "action": "Update",
    "entityId": "925328144",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x8c9d22edd3e2df2de8e54876b9ed1cefcab535f63abbdcfb310e0824a15b576f",
    "signature": "0x7649e6d64b1d021a4fb1aea09576bf97d9504256ba8e80efc63e3f0d89a6fba96429a68ed7497b5b66bc0aa26e34fcc46330ab3b084f363143b3b064ee8c83451b",
    "signer": "0x2C82d50A28cad054279eDA638bfcBb4b364a68C0",
    "userId": "925328144"
  }
}