{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2691",
    "entityType": "User",
    "nonce": "0xd682fd148438b498d6398e5df057e035197fbe8229953780e378712c410945f4",
    "signature": "0xf1b1fe5e6032f92d64993f3473ed9d6cca546db3a50315c9f1d162d1c3c3e5a35435391200ac2e176a80bf1c8dad705d59f29ea5c9291c139ecb3bc222d5532c1b",
    "signer": "0x77716b11b242ACc386023E99B7e647CaCCcbb8b6",
    "userId": "126786"
  }
}