{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "398267373",
    "entityType": "User",
    "nonce": "0x7afdf29df35659425dbc94626c4d3b3c6c8b9b5bd8623fd05ad647ea18bd3949",
    "signature": "0xb3feee99bc679c423b57f5642a8a999da7313201b31202c584a64e553d9fb3a0730248d0634eb051d5975d100034a03d01ba2c395eb53cc8b5125a1effa45e921b",
    "signer": "0x6802Fe39C5FA9f99ac1Aa32F164982185A3E70ea",
    "userId": "152482938"
  }
}