{
"manageEntity": {
"action": "Create",
"entityId": "324330284",
"entityType": "Comment",
"metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"\",\"entity_id\":102652078,\"track_timestamp_s\":68}}",
"nonce": "0xa56ab0bfd15cdc2b6ee5fbc22b15609809d588ecf56a15fef34623b81a6415ac",
"signature": "0xd4908a4322d4e946b33886b3e0b1121e4e242e84a5b6dc4b7294713e84830f8044ec2a778ecd5b19a628df3d1c6316d6a08cefe9620f095c8932f4563f07e2341c",
"signer": "0x8DF20c419C0a681c95c424985402eEe31981b6Ee",
"userId": "376291"
}
}