{
"manageEntity": {
"action": "Save",
"entityId": "1092861662",
"entityType": "Track",
"nonce": "0x919bedbc583842634d136f069dd09e090779e2536442d563847c5e766bf1cde4",
"signature": "0x7aa1aafe5d10d161b5594ea1660e15777ec99f5f7b08c9471412933e41a50b4f11051d0d043c0dca710be28080f1da723362a708ef6d3fc01cb84bfc75629a4f1c",
"signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
"userId": "728570067"
}
}