{
  "manageEntity": {
    "action": "Create",
    "entityId": "387534846",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"hands uppppp. catchy asf\",\"entity_id\":1230095873,\"track_timestamp_s\":116}}",
    "nonce": "0x4f6c9b6feb11dbf1e6cd40afb81cd5ab02ef4a23339c2211391a813785b7c5b9",
    "signature": "0xe9b8e9d07e3de85f7590982258133c5f4d4b338e865a782e48b5f38fa569348124212b9225c77bf7cc22e835a1f56c6b2292fa817c955f46cc4d4603d593f1c11b",
    "signer": "0x040629E31a68119093b9a0111257C8449c2f8e10",
    "userId": "175162"
  }
}