{
  "manageEntity": {
    "action": "Create",
    "entityId": "742929049",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"user_id\":52309,\"entity_id\":377402576,\"body\":\"vibes\",\"track_timestamp_s\":46}}",
    "nonce": "0x5a0a47321c285ad49bf35a70c1f050a35f52932a347f59782be0982ef7cee88e",
    "signature": "0xe1aa4ba3273fb13777f8409e03285714e5d862d7b7a519832e816c23887c501c6932325623fc84e9580e7ddcaa65a6d4016ceb6ad617bef2d633721e4f04b12d1b",
    "signer": "0x1CE93c43F8574f553E8071e946654066188B61BC",
    "userId": "52309"
  }
}