{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xde8fc692feeef7be32d72ed4e5df818e36103c2de193b5d9fa9dd18124d012cd",
    "signature": "0xa1d5229268ce55dbc40dffcdfb816a79278945c2e2ee49c16f56c9784b43c833118d1733d6c4867bf3ded1693993f86188cc12b3281d2114ed149a72dd9aaed91c",
    "signer": "0xdd9866f5231155D8450f557CF6216590fAeE2900",
    "userId": "697765896"
  }
}