{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1700514",
    "entityType": "User",
    "nonce": "0x596fe8f73cf04553e2803b92f82af7ad0330b830cdfdf4ae02e6dc85802009ea",
    "signature": "0x4d767eed60f0039bf02fdb0910ef6df3c87d9a371465cb858557b72e179ed96e154494ba93391df1174534b00167c6b9c050b72415a2f8d2cf958d1d843842d21c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}