{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0xeb90d0d4b83bdc5bcc7571ddb6a6c24b9f1bfc901814151a5948527e832d5493",
    "signature": "0x555c9d7accc6d694fcf0a2ef4ed053d284c7fefce2bf287cb9c65316b3b9f3bb6b1ba253ca5a31ac6ffc52a48254a6dc93c030325f31dc23bbca5d810562ac671c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}