{
"manageEntity": {
"action": "Save",
"entityId": "132495378",
"entityType": "Track",
"nonce": "0xf86a01a25a939531550230b4a3d8202a144734e39a45d610c9593f4feb3bd2ed",
"signature": "0x9b08faf9464c3e0481dde630c3bf200db90cad00cb75a6c40daaab253613d2db4fdfc159a0ac7952886090e9609e54779be7b8b65d35a2bccdbaac43dc3c5acf1b",
"signer": "0xa22176a11BF6703EFe39D488aA7cC06aa781C44A",
"userId": "633924738"
}
}