{
"manageEntity": {
"action": "Save",
"entityId": "1182391073",
"entityType": "Track",
"nonce": "0x2db125eacd060c24313662ae3bd840de71fd98ec6ae38b2c714737d36415bdc1",
"signature": "0x40751f93550b44b6f5b2c2cb1a8f764d928f6fb941adf1a735d8295195d5b0c9365346e2168889e7220d3736f63ad21dca08b540c04d8c7a1312782975f5b2431b",
"signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
"userId": "881446128"
}
}