{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "2048198408",
    "entityType": "Track",
    "nonce": "0x8f9b1b6f8f62f2f2a3ecff4717df1b8b00b245d48a3383d763c2eb60070c01b8",
    "signature": "0x6961b0acb42247c86f02ad0a79dce21544db90d8dd3027f318b0c1e59f23df5b6a54d06a8c8179cc862b4a737d34640b3fdb5fb94147de964a6c90b6030ad7271b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}