{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "994858715",
    "entityType": "User",
    "nonce": "0x60905429569f4944ee87dd8242677e2bf9009c0406760890c54d016ce6cb2acd",
    "signature": "0x96199667dec227410a5bb29272b9338e763fe8de19c34ea335049ff76e10dd006622c98c3f07e38627828c7f9870ebc51e5cd5be0aa9d2d9230afa695ed4e2961b",
    "signer": "0x45C682dAb9Cd8ED5e055aC2F6a860Db5F14c27C9",
    "userId": "611525840"
  }
}