{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "697030",
    "entityType": "User",
    "nonce": "0xf3c8e1fc63a0610f81a36c9dc9c1a42ecba7a5de4351f8318587a1da00b13a42",
    "signature": "0xba5f34f91f70da59005e48cdf1a205319e9225a79dc1c5344f14fa13a418acc279f602c2e319e7e941c828c998ad47ead0e2836f18c65bf3e53e44d64f71a6f41b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}