{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1864516664",
    "entityType": "Track",
    "nonce": "0x327ec6f70a81ea5bdd37d6f9bfc0e9e344db8c21e2566706de8a564eaff15714",
    "signature": "0x17934f51521295c40d69d8c91755b581be3f32254009de5760ff7b37a2b7df493dd45b50fa7818230406f2ac8fb13c8af19895e3c7bb182b19f05814123bf1261c",
    "signer": "0xe39362E50657Aa28CaD9c25b968cA2C2D8cf5A9C",
    "userId": "874277249"
  }
}