{
  "manageEntity": {
    "action": "Update",
    "entityId": "562920347",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xb44027c771fe397cc54fce7e444c1758b29501460e2351df12c1ce551165d48a",
    "signature": "0x0e9131f89674242e38954325d14e897d27a31910f1f2f3b71419e8892bc9dc1226788ec441e95adc713a3cefe7019b9b6e5af67c3f47982c3c109a255bf425ea1b",
    "signer": "0xb55504f08c5963cDaD3Ebc309FE504a785bAF530",
    "userId": "562920347"
  }
}