{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1037364",
    "entityType": "User",
    "nonce": "0x3a1b6c1d38b1e735311510571280e6d53a1bc78b6b86838369081b873e6c3994",
    "signature": "0x3c92df1de09a58f5060ad21332dc8f6e694e5894ce6fb5ca606b8910162f130b110e5814a2dcbacbaeea0524dedf17b64ebe36ae8a83ed18fb504b2340b9c48c1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}