{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x3282113172b2a567cdaae7ed3ad48eb568a3e08cd8c6cbf6e0b9167bcebc9f58",
    "signature": "0xe361e6c51fddb0fe180fa9419ee6c14a8a8c49f3e92c122bf4dd4b1960aa898813152187d474d6fe6f30f49eae429aecb24614a640598704c21532eb78743b581c",
    "signer": "0x2AbDb7b181eb043319a300588954173627b6baf8",
    "userId": "527404119"
  }
}