{
  "manageEntity": {
    "action": "Save",
    "entityId": "1227653557",
    "entityType": "Track",
    "nonce": "0xda654bbecf8149fb4f9617a763e1e2249fafcf1b7817a2eefbcfacc20be73fbf",
    "signature": "0x56a2fc06fa01d9672d7ee88545d1bee7a0fe408c3e34dee44ad979ca3088f9576ff5b8007827602725fc36f610555e0f523d12f87a9f1329cd1dcfa755243f1c1b",
    "signer": "0x036B1ee0d2003ae5B5E252d58647d13f0e588EEB",
    "userId": "161353174"
  }
}