{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "992261",
    "entityType": "Track",
    "nonce": "0xcdfd50fb57d1558ee2344b5b680598e9eeafc0b1e77ad4357d9dfdd0323400cf",
    "signature": "0xab89c7c1d42086c1df0856c0235060156db44f332eb86696677a435706ff4bab7d6d88039b17ce4e17ae78e884a2c60bb1e04f43e02933cbdfb7f6140c0ff8311c",
    "signer": "0x9cf6275159e501Ac5A8F50374f744521a52fa071",
    "userId": "612744158"
  }
}