{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "1962177606",
    "entityType": "Track",
    "nonce": "0x09243fd169ac43c67c0cc85dc5adff51ca5d5651e4f57e83ca2374a71ed6ea0b",
    "signature": "0xbf4e04817c36fc7a09316e2c3360257e0e6f7daf98356492a7f83602227ce7396782fa4011567422e6d5e4e20b21741120170eb48f5a998f4ae837623248314c1b",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}