{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "2070534410",
    "entityType": "Track",
    "nonce": "0x97b997f11a52a89729a1231d7ae71ffc492cf029ea7a6fcb5bd312ca5bfb477b",
    "signature": "0x167382f74ebf99388e7f049eea360de1a030e7ff4b339d9465128e98ff6c0997329dd23fe597d986e45a86629752e2503f0facb9883780f36ba8c2e7634979a91c",
    "signer": "0x42df0BDEb8214dA19B055205bE451B0c3a3c1bb0",
    "userId": "77436"
  }
}