{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x88c595c3f7612ac28b2d01a38e3fb20371954dcc565dfec7d84b6ccc4a3ada47",
    "signature": "0xf3235b5ad1bf5c4172c88ea70f432f9fdcd2dfed628606baaa78d891fabdd47269d22185a8164430f7521a0dadf56812fed3ba524e951413eafcc10acedcf1de1b",
    "signer": "0xdA5af10bf99ed44a9Ecf74f23E4d8034Ce3AC4B7",
    "userId": "732181009"
  }
}