{
  "manageEntity": {
    "action": "Repost",
    "entityId": "763621",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xcef203e954bd7685c68e61d82f39b5b12726381d1c6733dc80ea5d879e556989",
    "signature": "0x0aeb9223a31b17f289f615450df94c21f527d837a5a8bf2364d97014220078e3525c4e4e4cb586d73c4e33439b6525bb2eb22d4bfb317baa446d036c785261b51c",
    "signer": "0x80C50D421b99F3320EBF757346be681e935CE5f6",
    "userId": "1202599"
  }
}