{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "83964",
    "entityType": "User",
    "nonce": "0xbaf83e58a5d8fc22cecbe4851b3e1d465e0fbd3a798621bacc93528c8d2844ba",
    "signature": "0xc0c521888bddfb66bbc692a6efe359b18c6f7c3c3819dc64fb51870a95b6e94b32ba1ab45dd156acea2430a6f7573aa2f3bf884145d75b768a09b72c157c1bc31c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}