{
  "manageEntity": {
    "action": "Save",
    "entityId": "70172",
    "entityType": "Track",
    "nonce": "0xb11e7f7abe346e2ab4897c7e8fa1d5ac2cf1c3e7b4cd761da6276fdd2d4d041b",
    "signature": "0xd720f02066289010e9892f33ecd56c0bfbe4452af39b2007993a6291b12ae80c77ad008e6886c00020eda97bb44fcd9632f4db4c19351aa1a77651017ef2a6461b",
    "signer": "0x036B1ee0d2003ae5B5E252d58647d13f0e588EEB",
    "userId": "161353174"
  }
}