{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xc56eaee46716aa902911b6f5f19c8e69e8d7463047aacbbc7022996c959723e9",
    "signature": "0xd9c2bc3b4192845546fd47f27f0e40e584a2cd2d0eca9d4977442da5aca143443d32132f443f61960abfb76973fa671f17b41ad1cf368b09a4d879a8657d91f21c",
    "signer": "0x2ACda02e37Db2DC08f82aEFAB268F0610974bb3c",
    "userId": "416239376"
  }
}