{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "138365",
    "entityType": "User",
    "nonce": "0x9d438a26b82ac9d18bcd14743fc62102e2f3c9c275785e0d3af6416ab502867f",
    "signature": "0x8e8db15524bd93f4dfbbb36620326f90661d511239c632363c7b96c79dedb8d66208ba47b905915bafeebc9568e8d73356ed63c436c687521ef31a2beb0b8d181b",
    "signer": "0x45C682dAb9Cd8ED5e055aC2F6a860Db5F14c27C9",
    "userId": "611525840"
  }
}