{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x30b57ea47017da3fcc210a60a3ed43d62639e516022b04b686c3bb5291d54c30",
    "signature": "0x4e8b5af08502faa4440ce9c6c0692be0fac679c6e0c26bd9ece2ffb3228736203c41aa3b5cac7b5de6ddc8d8b0f00607a75f9318131e2035e32d67e999b64c5b1b",
    "signer": "0xe1eAe9Fa3Fef187944BA6cBa5C534e1ea257CA4E",
    "userId": "344552512"
  }
}