{
  "manageEntity": {
    "action": "Create",
    "entityId": "439874925",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"🙌 lets go!!\",\"entity_id\":397560146,\"track_timestamp_s\":36}}",
    "nonce": "0x811e557f4932e1199f4a5227ba412df5b72cb72ee68d98a448f75f993a2fa7d1",
    "signature": "0x705713d7736cb1b97d3d19c97680674d45327437029eacb844e510e44cd216d02913b3b0019515c048b784e8106a273d4094033f3cdb66f7b3bcf8695a7fc9191c",
    "signer": "0x3256Bd2D0B1984E7df4FA525017aD9bA48470760",
    "userId": "51"
  }
}