{
  "manageEntity": {
    "action": "Create",
    "entityId": "341313398",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"user_id\":52309,\"entity_id\":1891324913,\"body\":\"vibes\",\"track_timestamp_s\":70}}",
    "nonce": "0xf96731eb7c8c432badbf9226e89a5d6a8196de53a7b0a892dfecfa137ada91a1",
    "signature": "0xb6e135c22f652e57bea382b304a3896ca3820e3e8bb42be2dcaaea27142451c224d946976ff3bac92503ef9389cf467c65f66d3cdf2c6c5cd8f277f03c701c591b",
    "signer": "0x1CE93c43F8574f553E8071e946654066188B61BC",
    "userId": "52309"
  }
}