{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "80290",
    "entityType": "User",
    "nonce": "0x7933073b449c6e94b79e9d5e5b2d7e50a0491f5c5aa2b8e12a83672191fe5066",
    "signature": "0xd0d6c8642f8e7651f073896d888ca1edc9fa54a9ce2a9315c8248ef1fa89e1e57ba19ce33d500f4b1a95b4f76e3498c8faeb0bda791300dc680e20e8dc1a01b81c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}