{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "42833",
    "entityType": "User",
    "nonce": "0x9f80bc697ff951710e591fd8c2c10e8e1f17156bc38afe6070b23283240ddfcf",
    "signature": "0x3c0c964eb0707a56a82439c7b5be8d66bafc19937d52060ad8141cceb24418c50cc652fd9b58e20a50b661cd9b73ee690526e0702eebcb1c6951f72c660d5d831b",
    "signer": "0x3D8B2928f8C6d3a1605187DacEb37824a527A1cB",
    "userId": "394450"
  }
}