{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x01f7b14ae50b6b1610d40676a374b7a24873967ac50a48c22f7825872cee9cd2",
    "signature": "0x98b43ccb89f2c05074eb4b32f45522bc3adcb5610dd7ae836072b4730ee2b6fc43a236609bdbad8a368b140b9ad23a4231d0b5610dd0b5cdd761874e35a6b8e91c",
    "signer": "0x083626C5983025BFec0Ca7BC8FC5B244f8e29b75",
    "userId": "482858095"
  }
}