{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0xa5b348c484a9f818f84abf3903c1b6681d3ff8aa83b3f94b66433b8b73b50f05",
    "signature": "0xe7b5e0ca6a9ef8fbd3b977415f51667455e63c949e9748240219b935a0a82cba7917828ae10340f1672ffaf11cde6af25bb68b81c6b1fd4ceaaab739dce552251b",
    "signer": "0xfb70543D59F8614d11B4D2922bdb1b80Eec0a0dc",
    "userId": "133478614"
  }
}