{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "128114836",
    "entityType": "User",
    "nonce": "0xf08fcf45ce8aa13b4e57ed61fe7ae83f6b1b1750c0c266cbb39506f7c7630040",
    "signature": "0x03003de71b370c35d7a2fcae127a49f3697428cc1c975e05a3a9f94c8c84335461101112cff187b9c665fe622a26f43ea34db474a1c1c7f12b4bf08fcc9d95b01c",
    "signer": "0x569AD4a425B92a964d8e182094f4aC58C0673162",
    "userId": "577745560"
  }
}