{
  "manageEntity": {
    "action": "Create",
    "entityId": "2053855773",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"so sillky n smooth\",\"entity_id\":554536195,\"track_timestamp_s\":116}}",
    "nonce": "0xf7058592a5bbcc719361e0bbe3afa5a457d0a675933d7bc387a6be1b97deee9a",
    "signature": "0x187a69e4bc174f612fb8ceec2a5565a88f48ca8f3b6a4fad7d8bea28ae98677c27f9f5f10c94d75f83568ac49ef6ad41bb0ab5473b59335a9d9ac57248925d3d1c",
    "signer": "0x1fc5D9D4B88B8D8c7d91F317c38d82Acac11B6E6",
    "userId": "38437"
  }
}