{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "466587821",
    "entityType": "User",
    "nonce": "0xbaa5cd812023a21f957e6bd103c5064dc3aeb7f2c3a31b6928e64065d294eb66",
    "signature": "0x7da114425e72ebf32fab2418dfe64382b9da67027b6632561ec6c689bce96d234c2469ecea69d6bfe116fef546b25ce28bb3fe86dd1c169f35b32af8d74986cf1c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}