{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "171227",
    "entityType": "User",
    "nonce": "0x42239b19f966240434a4adfbfff0179490a824498c80139735596142d139ebc1",
    "signature": "0xf8c776743758c1baba7cad7f6d2a80f92dab744bfeb3d0029038675d2a66a6ff7f357ce54a6d2a2732407ec7056a4da6cd8234584236ef3ebfd9da4f26f20eb21b",
    "signer": "0xdF94159720AB889b4D53EB68Be2E4869f38b9eFc",
    "userId": "863573949"
  }
}