{
"manageEntity": {
"action": "Save",
"entityId": "229962167",
"entityType": "Track",
"nonce": "0x0a7f7355d0296afd956c0944412cd33335690334302bd446ea15262499b7964b",
"signature": "0x4fa8ade4ff19eb2922486a55f9a750c999b45325f0fa840ef7c4eecf2ded98e0601c4edb1c646fda72ffd3feeeb5e4f2e81bd180a4cfe32d338bea81bab76d591c",
"signer": "0xdB791822A11f5aDc830669bdADa8121a4558D7A3",
"userId": "347139808"
}
}