{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x12c690e073315c8d0e453b4de9a961e8e65872b167731105cf51dccb94d167a6",
    "signature": "0x99e346b918ef2d754ec1d41840179ab4b75353768b0aea5f7b46e554ab64d7681615ce5de68207027739c3a0d261cf8e5153a1b1c79a18c0744c041cf068338b1c",
    "signer": "0x59d085F07E429d92baFFf1bdB0a48bcb5AC9A6c2",
    "userId": "978508300"
  }
}