{
"manageEntity": {
"action": "Save",
"entityId": "1595331283",
"entityType": "Track",
"nonce": "1792659109241801534",
"signature": "0x8485ee91051f95d7e2068304dccee226ef4d01d1246b3c4569f33111d29bced972529376f533562c8143e6be85bf7d43c2ed9b7de4b9a26b9a25299899b10e551b",
"signer": "0x9B241b1a6A99d662AE67D328e091Fc94faF23fdc",
"userId": "881446128"
}
}