{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2595",
    "entityType": "User",
    "nonce": "0xb5c33a860ea68ee8375cfd7cb89bc95ee44acb4c0fa231062d2234d67727d3f0",
    "signature": "0xff2e35425a69c7d8cc547ea371cc22bfcabfb2ff4de697fe7c93699ac276a1c42bed7d90556f60dcd559582924ee2f603f89f3e2022731f9a50db9b389750eca1c",
    "signer": "0xBbC76acc89878f0cef68B16B657aB14f79B8fb09",
    "userId": "25725515"
  }
}