{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "281682",
    "entityType": "User",
    "nonce": "0x4e2416b747c6fd60ddc24157025858bb3e4b2401d1b7c7afa49991528ba8bd90",
    "signature": "0x52b33aa69eb4a42c1217e268c629e51564bf8c9dc64c199318a5ed3229aed97171393980a6fe0dce9ff3cefe1d8d359e9619e9699a1e8004827a7a6e0b3e75da1b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}