{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "248813",
    "entityType": "User",
    "nonce": "0x3b8422615d8514277b26bdfe115ede54e8f32057e5565870b9f17ad53c38f8c3",
    "signature": "0x942fdf5d4131987b1ac6db88abf67094512c2b2af8639ddfa768a0d497d554926df6a0b9e2e77008935a5128cedacb2faabcd55b833100b4df38f41582449dfa1b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}