{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "38841",
    "entityType": "User",
    "nonce": "0x3e6785d52755f3b1e1e27899a4ad226d91d08d3e0e9094d33fcdb31f8ab47ae0",
    "signature": "0x75d2091e5e85c2e83c10c6ee22c84d29edc9bfb06a97ec08e2e64a3bd98a4ad02fd804048eb1fa63291b5a85517da8f533561d4d511ca88e06cdbfcd66e376fa1c",
    "signer": "0x862060c02F28f6984692E1Ab0f15419eFdc91D0A",
    "userId": "321032997"
  }
}