{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "464427506",
    "entityType": "User",
    "nonce": "0x926e1030b0607d155375b7f673488269374ccdf3bf54e319bc27df7ee8ca1c59",
    "signature": "0x0c93ae718d6b024c8e7c1bdcddfce8c9a121e5ac1f614207634a1fefcb59d295517b023aa17c89a20cb14d7709f46a24bb863ebb1c32d4e41b687157cb15dd7f1b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}