{
"manageEntity": {
"action": "Save",
"entityId": "633528231",
"entityType": "Track",
"nonce": "0x019ba81aad4f9d3bce1f0c2f08a99f10f49c12121748740f976e8457df5d7e53",
"signature": "0xc35f01f95d2077d7e658aec2bb41d0dfc012d72067df9e8d3f21e2dac9cd5b0774dd4884f9402ce66a8ce0666b3f4e42b1cbbce5d158565768aadc4bde1dbca41c",
"signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
"userId": "571117272"
}
}