{
  "manageEntity": {
    "action": "Save",
    "entityId": "1160238273",
    "entityType": "Track",
    "nonce": "0xe5c5d8708555ff275d3b555cb07acbcda376eb47653c5a8799ef3e7464f1b433",
    "signature": "0x5d34e7b6640a30f84cb95e56410d380061ee412aebf56eaad0bc86ab00d869f401c33a747cf6dde6ff42efb285a87a6a1b452fc37663d058aab6207dfde82e161c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}