{
  "manageEntity": {
    "action": "Create",
    "entityId": "236980411",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"basssss\",\"entity_id\":1172698689,\"track_timestamp_s\":72}}",
    "nonce": "0x904910e50b7e9cfc2fe1644fc20a1185d68f6a5796343ee8ebeb8d2c84bd4fc7",
    "signature": "0x28fc6ee007f049e41383203e49e36b1b1d3a6f5cb33c916e4b37aa601992a3d11320cebe5b6972b0ff3552a5f40f8d36408c41d138342af0487dab31602434ea1c",
    "signer": "0x040629E31a68119093b9a0111257C8449c2f8e10",
    "userId": "20"
  }
}