{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0xa3d0f7f43930bd28850814f8afa24a35666102037413f4bd47a0f00941722dd9",
    "signature": "0xb4d66178da9ec8c6b9469a7512cd1751ef19e2fbaaed035d763cb1df3350e64b728a265f10213ed8b93cf329bf0cff1f76989b43a03d6747b74754b8737f704a1c",
    "signer": "0xD3e2a2Aeb739263055A5ec4484257b4927578D03",
    "userId": "117667088"
  }
}