{
  "manageEntity": {
    "action": "Save",
    "entityId": "1010292936",
    "entityType": "Track",
    "nonce": "0x859163d3ff117521cae88151139a5edad3aab067b54b37234d5c1616016b34e8",
    "signature": "0x332f06da33d57f9ce7a10104875259a78ed8a0bf7d166a38d6d09e50991d235135eda3e1f80450b3b07f6d3a35ea122611ac30a10b83cabd34337d15f28bc8371b",
    "signer": "0x8a278E79c8E7e655B94c3e6798972A44Daa2c6ad",
    "userId": "24098924"
  }
}