{
  "manageEntity": {
    "action": "Update",
    "entityId": "760753365",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xded2fb2e937f3c36abf639523a5827142798c53201c811c644a030ab83e8acd9",
    "signature": "0x86d6d9633b7fde8995670a1e63b085a042f52429eabb1fdef0303d1b8ecd76413ac92b366d911c9eb3488ff54933c3abc1dabdc238ae64c4a285ab871d9477821b",
    "signer": "0xFEDCE9571420bCe19ba296c221c64833137c1419",
    "userId": "760753365"
  }
}