{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "436",
    "entityType": "User",
    "nonce": "0xf1a137ec9d9c99f30b5953ff6b306e0abb0892f653935392fd990b0ce7e99b27",
    "signature": "0xb0375d53471e5b789f09cbb1b1d394023f6add5f8feac3a8c46c244d611bf4d92faac375128ff3cdd6bf43acbe72c5e294b0f09b5b4259a349526eeb9d4210f11b",
    "signer": "0x45C682dAb9Cd8ED5e055aC2F6a860Db5F14c27C9",
    "userId": "611525840"
  }
}