{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "116949",
    "entityType": "User",
    "nonce": "0x0ebcfb34150afad7b92cbe3b5ca2ca30a0c4d124b1d30ccc1f0a0cdfa87ea44d",
    "signature": "0x77003f65d8c623319a6501882a56bef323854ebb558664615c57efbbda8360d92f308b27de51682eb9e4bff8e893328ef34d6a85fbc24a51ccf04c33cfdb77361c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}