{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x61b2dda63d7f97fb6d14cbe547445012da5cd460ddda40338b1f451a7d7f3ebd",
    "signature": "0xe4a202a58259f02e78290c1799a6a920a164db8517d7ea04531fbf0262f5d8fd494f9dd9f5a791c371c3556eb52f331dcb83945ec4f6ad664a65d3f8451437f11b",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}