{
  "manageEntity": {
    "action": "Save",
    "entityId": "1281587172",
    "entityType": "Track",
    "nonce": "0x5c271ee2c1c31b0468a80009f12ef8f15af3fb2160a8db63db97993421a41c61",
    "signature": "0x98e3cf3578509f762f25652e8e137ea11b2437fcf50cbbb9832db11555101f3322f3f5335062cf0c760099206f04756e1eee72bcce202c73d693b2619bb400821b",
    "signer": "0x036B1ee0d2003ae5B5E252d58647d13f0e588EEB",
    "userId": "161353174"
  }
}