{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67606",
    "entityType": "User",
    "nonce": "0xcbf91b0c217a23c3337e91220f52b39cef252bea4fc4f40a7f5e4c33a117745d",
    "signature": "0x1a000b59ded2f4c776861aa91ce88b91c30773fa0564d0fa77dbea488acba7c31a1ad750ea8f211bd4b21eccd415559cbf76af50fa9d84e122b29b5f4e2687481c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}