{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1538821864",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x12661d73cff671c3c15940f5d9cf49961b8919891cb0cc7e2ada0c1c7476a534",
    "signature": "0x5995bb02f8f11c53985705e8cbd2bff08dd474bede893fa06d71e97e503ca30b313907d4c85693872a2d6726fb6998c9150593ce840e2a62db93ff6597144e501b",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}