{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "571586821",
    "entityType": "User",
    "nonce": "0xe7358c69e046417d14b5815c21bf6bcacd14c6896799d63efc9a2036857320cd",
    "signature": "0x4d2dd439fde5acb91271edacf3896a152027be61eda9c9932644f54d7336b1476b046c42f898a39fde66795b968fed907cf729daf8a9f7bc22c9ea01b916e1e71b",
    "signer": "0xd85E4A094e4C057572A9D525C9737051A17ab609",
    "userId": "696716320"
  }
}