{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "276307071",
    "entityType": "User",
    "nonce": "0x3f7e494259079dc224630130b2495dc9dfdfe91fdfe07375fb6ce0e70eabfa35",
    "signature": "0xc96c9ce83bed7b358524dfe2f8c18288d41e1ef1edd6fe3d6fde46bbaa8c30ad66701843279ce343b599e6f093df3c5b2cce2dd7a863f995aa3e7f4729a3faf71b",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}