{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xdfe63c7d928482494e364b32eb4d530aec1cb25d1648171718388d2783adfce9",
    "signature": "0xe46b75409eb4c70fc4296fedd35e7f7b69d5219e5687b8f2aa392731470a2cf20e311d908a10f06d7d943f61fe03a770dcc1a0c466e9fba5895ca48aba491eaf1b",
    "signer": "0x1D9e1d82A512b9A5b9b44ca178151B46959E9E5a",
    "userId": "888092692"
  }
}