{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "235412",
    "entityType": "User",
    "nonce": "0x1051fa9e07a26b6837c8e624d75a640a5be5e4148f2eab04b5e314fc1b49f4ec",
    "signature": "0xebeee29035cf64ff2e2afcf8b2f33f0c071a51b4efda68ccf62ced600784443874809a3e6e7cf97b379bb23fd6da95c084e989b0275cd54aaa5891425d48bc1b1b",
    "signer": "0x3efcF5FDf40AE32eFedf15a0DF5e07FFc4f6E7f2",
    "userId": "71798492"
  }
}