{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "218470",
    "entityType": "User",
    "nonce": "0x26403da7d670a71f03229cadffd01fa7a034e66789c54bdf4c2d7c4be2db4d82",
    "signature": "0xda58ade264d8d2ddc840df40f016e350bedce5774f3c8fce53fa1f41f9f7bd7d0cf4bd2c20cb9698180308c3ad529e0fedaa40c42461afa2afd7c580d254c7301c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}