{
"manageEntity": {
"action": "Save",
"entityId": "1068653270",
"entityType": "Track",
"nonce": "0x91a87ae08cd54a07fbc686a41c3813f4fa727b9c531538d7690b031d51ac52f3",
"signature": "0xbca90640cb42ee26f83724fe2cd29f868d9e92935794f052f55d9736257bd3864059af87c639d6921a6d62b12f47ed492e53012127ecbf13030ef0f16f42629c1b",
"signer": "0x0b901AE3Eb7b439095858D82Ff194CfeD0Fd3396",
"userId": "167557"
}
}