{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "406225571",
    "entityType": "User",
    "nonce": "0x83909ec8969961a51176cfe5328383d77537edbd154dc233996037dcf56c94e9",
    "signature": "0x1884279ba379c5c1b878f9ac5ca7e7977174ad73921f7333e0cf977d785a2935690a445da2b09396b955e5e3dd19c4da412c0d86da0c2256085dba7b1b5d20eb1c",
    "signer": "0xD36a10E3571a62069C0a811F2B068950F9a802D6",
    "userId": "733676803"
  }
}