{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "2084188016",
    "entityType": "Track",
    "nonce": "0xecc58df09309415ddf7c93c3ad4b775b543f60061b6749e5952872feff5e168e",
    "signature": "0xa325bd103b1f0a70e1971719e85634b794b3a09c3e6486cd804db2136e07ade11b9facf23ba28db09548009074f4a7b6f485bd97ad913cc75a77d14862aae7dd1b",
    "signer": "0xF7628Ea36C0C266E289b7538b033fB949A6C31ff",
    "userId": "386745392"
  }
}