{
  "manageEntity": {
    "action": "Create",
    "entityId": "705276473",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"fireee\",\"entity_id\":939233470,\"track_timestamp_s\":80}}",
    "nonce": "0xbe6dc6a28976a360eb8c4f948ef07dd8ede4ef823d67282cf30958df8510145a",
    "signature": "0x3c65c2df2ea2417fa75188fb04ed602b4b27483f4899297a22470356ed8605d94e3d7e117a77e6d16b2962c98b7caf3b201ec5db1426222a6212912016defba61b",
    "signer": "0x040629E31a68119093b9a0111257C8449c2f8e10",
    "userId": "20"
  }
}