{
  "manageEntity": {
    "action": "Delete",
    "entityId": "393892096",
    "entityType": "Track",
    "nonce": "0x0726ca89c23f745f2e70d37e98042489e0355a7f5318c447fe6dcce1cc6f9d76",
    "signature": "0x23a54755b12047ba4c88e78360549d20958b4aef3a27bf9fae6bf36cc1bea207166ebe03947207f1c2beae2148e02c338beec29ea01935c52aa96920422e19401b",
    "signer": "0xb35BA1eC16aAf0e4f06023eD62400E7F792ce1c1",
    "userId": "48830"
  }
}