{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x1c906d5c005b444b71f1ec150a6d4862bfbdb5ec3e176d879f237c7910ac27d5",
    "signature": "0xaf458f9875d4155fe6397f1ee54f31d59fb6a8ad74ba274ecd74c40adc01fa9b2bb165d0493cae5ebdc406bb098e22be3e4117a8aaf52854b9adb7ace75f25ec1c",
    "signer": "0xD3e2a2Aeb739263055A5ec4484257b4927578D03",
    "userId": "117667088"
  }
}