{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "426435",
    "entityType": "Track",
    "nonce": "0x4888c0f0277b1429cde172b3041c82560263d889c58e9d120a07cd19a95ef4fc",
    "signature": "0x566537baa16a0434f897ffc01165f280862b1378955986314a3cdb5ae5565e415a7cc788072489a3fc83e1aa45d64a339d75b8b7eaa50ae7d1c1aa8e90c41dfa1b",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}