{
  "manageEntity": {
    "action": "Create",
    "entityId": "146660040",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"🖤🔥💜\",\"entity_id\":481453560,\"track_timestamp_s\":65}}",
    "nonce": "0xddd2df90c03bb258e9ed93d0d11670ac79d0d5bee2e626a89c082dd51b0c3d1a",
    "signature": "0x824bb9cb72e5a5fd30e499701366c1eba70dcd3b0d7814826ea5e782f152303a6d02acfc472a440d83924f602c60f23054a8f0fc2cddc9eb370aa29cd8e1b1d71c",
    "signer": "0x3256Bd2D0B1984E7df4FA525017aD9bA48470760",
    "userId": "51"
  }
}