{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "396",
    "entityType": "User",
    "nonce": "0x3f8bcd119f133971888b586f7ab274b42d3b89d510583f39d983ae9e6dab6309",
    "signature": "0xce13a73cbc00d5875481799a5026b4bf7c3c4ff7b5e397bf736348ff1253536a03997c502a37b7a9ac63b96103abc95020d07050efd75570e8ead4401e5056a61c",
    "signer": "0x6bbE8Ba8276834DECf4c0d3460707A86b8e263b4",
    "userId": "248785756"
  }
}