{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1033830",
    "entityType": "User",
    "nonce": "0xbde6d8386beba5e7dbed7c8cca769758f969c407de3f54f4bb366a448335507e",
    "signature": "0x872d70d722314c297528920076376aa92c705fae549125ecd661311bd227180a640e493395a7713bdfb60f1227839e48b63505ab8813af38e81456856f8b344b1b",
    "signer": "0xE534A1ad2e8E1f616866185D1efDf463B0eD38b4",
    "userId": "353625"
  }
}