{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1397837719",
    "entityType": "Track",
    "nonce": "0x739d4ca86611649c71c9ea2bee70e1adf7ec27d27ecd96894289e41b1f61560f",
    "signature": "0x124e0d1136e47409ad7e2528c0b1893af404edfc89d2825ba5d7b81be75c68062e8f07cefb298583781ae185a31ad7363d172c63454d2d3fe42a76cbb728dc9d1b",
    "signer": "0x1DAE2f67411425Ea8f5eF5873622df905e59d83D",
    "userId": "410756960"
  }
}