{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "114653",
    "entityType": "User",
    "nonce": "0x1f1ba5b289960fcf81a6cc23b4157abc526b620acadb290c6ba262de5de621ba",
    "signature": "0x6571d2557cceedff787ee6b52664176574d756ff22d52a3c03a2282a50921a9f29c9464d4be95d0583bdbf7a42c5dd34de75fea50cdd071e18a7bae997d3caac1c",
    "signer": "0x4230116F60d3989D218B84425D3D1Dd6C85e1393",
    "userId": "86128800"
  }
}