{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "1108852572",
    "entityType": "Track",
    "nonce": "0xd7afdc3dedebc7ca5fd9097914231dbf7afeb7e53dc5c8e8863e20fe40d64882",
    "signature": "0x390f40531e2d82db4f91790639ad0fc4a76fc694b8c81c5bc19371e17664075d27aafd23a28ef9dc78e9672509c77fc4619bd571f5d5485222f7012ee7d4574e1b",
    "signer": "0x0847ace8EaFBC1D7abBbA29Dc9F9f44a41aBf092",
    "userId": "480718495"
  }
}