{
  "manageEntity": {
    "action": "Save",
    "entityId": "1370170102",
    "entityType": "Track",
    "nonce": "0xf3100bea56ca9fd2acfe2e00c66aced823173da09f1846dc8ee3d592cd9e23b9",
    "signature": "0x0f5a5be99d4de8cce2b208391397ed74ba4bcc8ba1aa59b3f4abde4438865bc774a7a3f8dbbcddacb6eef7b6975f0e0fdf9d0fa7b3177d48a4789f077688e85e1c",
    "signer": "0x036B1ee0d2003ae5B5E252d58647d13f0e588EEB",
    "userId": "161353174"
  }
}