{
  "manageEntity": {
    "action": "Save",
    "entityId": "76097692",
    "entityType": "Track",
    "nonce": "0x0c20d9e4ea8647d09fc8b30609f615defd4757bc11ecf0fdf8fba70d3c540746",
    "signature": "0x702f56076c8951f3eda9fbbd83b8204678ded974482587dda99f3ad2856b79f624949c8791fec7f957693c9facbfc27fe5adb01d1044d80d0418d71021a5f3011c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}