{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "994690",
    "entityType": "Track",
    "nonce": "0xd42b5a68443171605ddda2df75b98a243d9012949ce5f7ef5ef936b0fa64feaf",
    "signature": "0xb667855b11162e79ab464f8e35372fa6105900d9848b0166ef403802794de88f4bb184de83ff71efa44d2792ceaa68adc4c28ab6ac8fea087008137a7930a21f1c",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}