{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "995",
    "entityType": "User",
    "nonce": "0x82bc094055ae98a29b4be48987f907bfc71fda275d8763a0090b1d8fbdb7a803",
    "signature": "0xd146adc45e8041cd941c14c2a598c3ade8655b5000837ee76c8c0930580fc92d3484fca9b839bb6f408b12b3f6e0f1337787914fd15d76fc3831dd0ecd262ba51c",
    "signer": "0x91A0243d0c4b44cB682cB60883cB72C26a8Eda55",
    "userId": "298293683"
  }
}