{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "116866",
    "entityType": "User",
    "nonce": "0x435e3d6c6ec5cc0684dda62eb38f542b68c1821dc6e0630458955d47830cb206",
    "signature": "0x7987cd70506433c6513e8484a0393db85898b60508f2f17411e749b47137233f6418a77f56f35d8326c84dc11e4d6c8d0201e64639be9187ef220dda19ee9d561b",
    "signer": "0x21e530f5EA8E24d2476C3Ff8253D151693719385",
    "userId": "854449345"
  }
}