{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "205511",
    "entityType": "User",
    "nonce": "0x3ab23b76b79f3cdf12f88ef38c7c2f2e25a9e9c4c83c26aae36b1273d2b99886",
    "signature": "0xc964945fc0e001f31245db410bb9fa9ec68c82a3d590696b8fb91f0835784cf732eb419c27a1628ad83bc63c04c3a865f3933310929fb83a5d665a3ee32114b71b",
    "signer": "0x52F331C086a11941E738a6C86d9F127E934dDEB1",
    "userId": "281470566"
  }
}