{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "1242832711",
    "entityType": "Track",
    "nonce": "0xe55c97ac4665283af7f11a08945c2a9d409e4202e11d61defd537ce19c87a659",
    "signature": "0xb48286e3491ce776e8ba582b31cd63d4a96108bd392083fbf4b1819762201afb7572b3678c3d732ffd9a15a83a314e866ba9ccf36052f5c617c0b3101ba4fc9f1b",
    "signer": "0xa054C1f5f50fBCcd1658Cd64C953C4b1f26f56A5",
    "userId": "298949663"
  }
}