{
  "manageEntity": {
    "action": "Create",
    "entityId": "1783947410",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"🔥🔥🔥\",\"entity_id\":918937005,\"track_timestamp_s\":54}}",
    "nonce": "0x004c65c9fd76a0f387a949eb42a3d6ffcee50c4ffe3f4b91470b21e2d9b4f2f3",
    "signature": "0xdfd55402744b5a4b780fdf33e95a099def2568e0e3f9ab0e13917636e5b90cde7730a3b85eebe70f99026a9d091a55cce7216110b4efb52a313668d455b671a31c",
    "signer": "0x3256Bd2D0B1984E7df4FA525017aD9bA48470760",
    "userId": "51"
  }
}