{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x21cba7c763edd8c0d5a0e3f66cd3f48a98761775213ba0e6436a038f6cf6138e",
    "signature": "0x12bbebc4db630dbf28a3d433bc3edf9a1aaeefddf3e48dcffc10ea12fb32265871efb5af97a4561668260fc75222dc6d1b87b8f4e8956b57be2cf42381f007c21c",
    "signer": "0x4f24EFcc0f8174B7836f5EBbeBd72AF3f1746E74",
    "userId": "230109234"
  }
}