{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117929",
    "entityType": "User",
    "nonce": "0xe3bb422bc848caee822b2e0b1516c382d3eb63180242906fda85e0ce35e2269d",
    "signature": "0xa8096e91d4d63b429547091fc3cc1a11d55e875b9efc13e83b0c78f5a4e210a26555c7732e816140ccc9cef17207acece0a05abdb952d68523a1d5b4202bb7591b",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}