{
"manageEntity": {
"action": "Save",
"entityId": "1181813232",
"entityType": "Track",
"nonce": "0x841ee998b21bce4b96f88f62cb74e662423a478c43567d1ceede7521feafbb5b",
"signature": "0x9d7eb02aa55cd96d4ab25203a00bf08387b4fdc7a4b3e6a96339f5ec684702cb287301a6b46b1b9ea534c2c589121cce52cef21f4657f07332c3fe38b89f50591b",
"signer": "0xf954E35976C0aAaEC2968197F2a371Cc99E7C81A",
"userId": "102143"
}
}