{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x380a95e7d583d90a9ea574783fcdf44963798788dde1fd6c1d6cfeedad193f7a",
    "signature": "0xdb85620442a3ab848e00274a6ea181c319979aead024a2449561094c95beb4ea3c2012311826b543c7177019f143f5a6b4c12218a05237b98dddf84a20b6992d1c",
    "signer": "0x8494914dFD59D1237AD86046Aed4196f092108E6",
    "userId": "924491469"
  }
}