{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "288137",
    "entityType": "User",
    "nonce": "0xba36043c916b153113cd195073c748e1ac826df337e1a76e58339669516d5806",
    "signature": "0x71d880897a27fa804c10eb4747a0aeed229a39c6896575d415568ee36bc02dc570299f373154b53cb719e1eaebd0ecddd0beb93771963d8726eed8afb3d3929d1c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}