{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "8113",
    "entityType": "User",
    "nonce": "0x3887ae8f2ec4b07987f397411267e8055fd6b83435f385a28d2d3dd76abc3fcd",
    "signature": "0xc1ce2732ffde710da303c0c14194f5c731c6f74ce8858d05201597d514a0f9cd5e135ff6d6d04db4481673d5111ba649bec5e99e931ec719a9e317ae3cde473f1b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}