{
  "manageEntity": {
    "action": "Save",
    "entityId": "24863",
    "entityType": "Track",
    "nonce": "0xf63e0e09845fde834fd6226bb053cd5818cc713c13762cd9828aa04541a2eff8",
    "signature": "0x1cdf05e8ad89985e353479a57731a442f167fdb53cb089ddd7faee9216cc3bfe757b570a8530359a875bd61dda52ade90bac6671de2e9557aef710df7e54d8221b",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}