{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0xe88702a1908198092e60213a3452a47000cb6d0b7f630740a1be1ae5bc6e9a86",
    "signature": "0xa89cb7e7cbafe7fa747a4665425e0501137ea1773c88599d6f50d7472750cb4d4e2eeff771d0449dd42083a31d8b54de92a4cf66505bdf59d58c2e124bfaa0ba1b",
    "signer": "0x9acF8CBE8f2B0d51e756C58D6d1f946A8757602F",
    "userId": "428941685"
  }
}