{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "928381185",
    "entityType": "User",
    "nonce": "0x76e32cdc57406550603b0c72dd2b129ead668095d81c86a07bf84ea9ef365984",
    "signature": "0xc242139cfb242e9e802ef608d1c60acf4946687b4f950f1caa4bd1ede2896bca201730f62766d938e8a48bc794680f5e5796db46bdab51f5e425656ddd254d861b",
    "signer": "0x8b77d47DA28d313A2824468913d2f44F9a5B7b75",
    "userId": "808833626"
  }
}