{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x1b65fcf49a20d066056ee90a635bf877bad8cb6523daf8260f4f2baf8d4c0821",
    "signature": "0x39cc5d8f13bcca331dc980f7219cd133626f37e471be69dee277f9aecf1ee81428f9f4306ea41ce00146337afad11f14aff73cd50849ebd170ede7d615b1ef1f1b",
    "signer": "0x14FF2Ce3bf23AEeC9C140996251F6f85D8e99431",
    "userId": "53273933"
  }
}