{
  "manageEntity": {
    "action": "Repost",
    "entityId": "657996998",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x24da50adb01d4235c54d72eaaa995642c63f6420aff0f839a0a830b074a0088f",
    "signature": "0x6585e676392c691dc354c029088205e85a81601f25e30a1c186f0356acba488e7fe27941bde6137abce316ede8059e0b7d4a27f6ecc1fec82579b1af347a74541b",
    "signer": "0x3256Bd2D0B1984E7df4FA525017aD9bA48470760",
    "userId": "51"
  }
}