{
"manageEntity": {
"action": "Save",
"entityId": "167422023",
"entityType": "Track",
"nonce": "0x73d4beb1fcd108538367c7446d3140c991ea0005dd16a5dee9c97dd0f1cfc724",
"signature": "0x3854fff1508e77137836a5dc1991df98fd164f86d2bfbb5764125fd2df1f75542c70f9ecb5259de6710cb1a10e4f5f9387f11e8f47281cf4be88e7ecc972f1241b",
"signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
"userId": "571117272"
}
}