{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59868",
    "entityType": "User",
    "nonce": "0x287e1ef6f8b7228f65c9e0b89868782e0cad5186447f73483cc38451bbd3d692",
    "signature": "0x73a1974421e8a9b0fd8bfd02108986017bd9e94ecf9c918893e813244b4ed3f259b1ff3b7bf7b1829ee58fa4f49bf7e8c98ed9a1ef60f17fca4bcd05d15976561c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}