{
"manageEntity": {
"action": "Unrepost",
"entityId": "1195892994",
"entityType": "Track",
"nonce": "0x9767145c1142d5dbece66ebbbf00a944e1b2c39d513625afa3d9c1526c5b7b67",
"signature": "0xcec6ca4d0568a3dc0396006cc92f15af337b8cc222032360cda7fc145a5eccaf555a06de89c9c5dc831320353e7e3200179a68a3e5876274d374689d6dc00e381b",
"signer": "0x951D92e430d9103D01E1Ac2d0161D81FBe122F1d",
"userId": "418585758"
}
}