{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1363809",
    "entityType": "User",
    "nonce": "0x7140437e1fe2aab92aa33f1170b1c9e49c1587edba14a98d611f51fdc9740aa7",
    "signature": "0x9ba80e0c64869858bf3283e00c5436d135a9cd0bf9590dd44d0f41024e8cef8877ccc309f57875b1c5f5252c1d6829405f0f0345729def64921729074f0f44ac1b",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}