{
  "manageEntity": {
    "action": "Update",
    "entityId": "785062536",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x12ea6a20d9dc771911e122595aa27277903078b9f6b3abd563a5c895c5fdb20c",
    "signature": "0x26e9ffb3242cd2d3d4ae112ba1478f34684d765c9055198ed77a4ddb6ea4cbf100aeb93bb5d860a03d46383d923250a775c043c45c6932c907f3aa41d06017c41b",
    "signer": "0x5244eB0acA40437F37fAec1822Cc9b0a855f7e12",
    "userId": "785062536"
  }
}