{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "790176808",
    "entityType": "Track",
    "nonce": "0xb6c1ce5f1fd2857498693fb10af84ff05a4d9c7e4e5db49a27b577904cb6a95c",
    "signature": "0x5b61f5a58ba94d94345c1939e05f9697dbfd879cd9c1bb32143e0b10123d75761c1f5f3ce56625c955ea3a17e836b8189ec7d88fba4e8d44218aa24abfc614961b",
    "signer": "0x569a23a5D506E4404139fB7510738Ee5b80F5624",
    "userId": "280440301"
  }
}