{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1166298",
    "entityType": "User",
    "nonce": "0x4f9ee5d7080af34cabb283fa2ffe979a033d46a190324c9f3c41d9f056e16453",
    "signature": "0x6aa5cb1ab994f169fe7cc10464484e9642f0021cbfd3f8dd524bd87c078f83ca6c6917b8bdbe5e7e8667286a0227af64e9108a45a3f4ede4ec01d8e36959fd5d1b",
    "signer": "0xF2c19977A72e7f63bBbD9063748E52c002b22f6b",
    "userId": "957488166"
  }
}