{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x6a48d727cad254d646810dd750389f5adbec1bd41272b0d4764948aaa2142e9c",
    "signature": "0x8cd4054426e6c35063ed63075234f5d717e7d1622bbe957f41e7768a790c8b27319c7082e4cc658e50a3c61c4f981b28754a8aefdde9de514864fab5237d38471c",
    "signer": "0x993e96De8E059C1D9255b6150648db85329c51d2",
    "userId": "715228208"
  }
}