{
  "manageEntity": {
    "action": "Save",
    "entityId": "109595",
    "entityType": "Track",
    "nonce": "0x0f5bedc532a1db39d2c467da6dab13d8e6f87d0bc03ff2108caa34ef46e9509f",
    "signature": "0x0df60c01817f1c1e551ea7741437d15fd491d4948d252d33f7d13b511b4d568231960bbdc1277fbbf576749f1e2607dffabb5bf76ffee47b47849dd14a2f0e931b",
    "signer": "0x036B1ee0d2003ae5B5E252d58647d13f0e588EEB",
    "userId": "161353174"
  }
}