{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "8523",
    "entityType": "User",
    "nonce": "0x10c8edbdd2ac11dc18091a879b6c23f549e1bbd0e3396a2231dc0d0091ee1b44",
    "signature": "0x6cb336b2f6bae28ac0a9f335687a6e77915d4d9db115d5cf5845f655cb717b9827e068ddbfc7a61fbcbbceef8c620927d2a63ec117a4553587c925d7692327b81b",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}