{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "35543",
    "entityType": "User",
    "nonce": "0x78e3f0823eecf3db294138298e1e6732ab16705eee715f7a44e07a3fe3a4bef4",
    "signature": "0xfb72e76c4c699fe695ae85cf5ace323aacb17cf99b62be809e8d36cab6aa0fae5f3a3dc9c2559ac3144be119c91ab406f6c03fc0e0088a46fe5513e30a0cc6f31c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}