{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "227033",
    "entityType": "User",
    "nonce": "0xd3832c45d5ccf060c33087baf1a50519afa17826953e186f96e955da4f2f9750",
    "signature": "0xddde7dddf41c74c56c43251bffa4786d676aa9f9b8ec5af722e76d7b4dde1c2104a388309be13415f7df566e166f8fb755e28391310a6de3a7d24cf6c645a7231c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}