{
  "manageEntity": {
    "action": "Create",
    "entityId": "401374488",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"💥💥\",\"entity_id\":882461521,\"track_timestamp_s\":97}}",
    "nonce": "0x1048e62be266da6640fdd6abe4dc30db3775e2af0fb0474be52681a0a6b6c78f",
    "signature": "0xfa0e34a711c848a11d1d9040fbe90594d17105808e966144b6a74e326e65600d55585a6ed1ad4addd336f58c30122bfaecc9cf6c3a4c8f31b1e9656df27cb9291b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}