{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "964427055",
    "entityType": "User",
    "nonce": "0x185248301f6f61713a81d515563932e3ce8ee0454ca086982727350c713c40a2",
    "signature": "0xb57ff43c5bdebf195e36084cbd77d4bdb1457cc0c50d03eeb865a4d17a43eb001b217cfbf16089b859e69b75897d0f5559e17090897ec0ccffd463db5538a7d61c",
    "signer": "0x8739aB96B52ccc56d0E5226Ff69659162d4269A9",
    "userId": "320952162"
  }
}