{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x2efd07c87a3e997bb8dd999540e0f8aa18f596aa2cfbe9f38ef22b5d6adb44e9",
    "signature": "0xe1b5353ad805a4761cd13defa170fbda3b01d51033c8d2db6f4801bd6af1ef934b809496d0de0b2e1d704a8b70a38e42993cb196f94f8dfa107e6bb052ab09401c",
    "signer": "0x87db7DB210Bc673A8cd93811B666e7527f0Cc154",
    "userId": "711686853"
  }
}