{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1243131217",
    "entityType": "Track",
    "nonce": "0xd137132481b6543603924db068e66684ac53077182b4a58fcb5bb1034773f873",
    "signature": "0x5185895300d1a37462eebc9e3f93dd7b8fdb3c22aa428152c011a4352a9a0dbe4aa76810732bd5b252025f832d6f5aa8fd9902c5a37bdffd1e3f99a53c28dec61b",
    "signer": "0xD1e78d368b6e1BA9c3281E18c08B03ccc78b50EA",
    "userId": "509716406"
  }
}