{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59342",
    "entityType": "User",
    "nonce": "0xe789d71a2d275147322cbb3b53ef21a4cf2e566ea2af592c85fc862cc8c819af",
    "signature": "0xc2d937bfdb645f610ca41c17b072a0441b835be11e9595bf766ea37da2db8a850d8c06800c5411d5f49a74583d668c5888e97bc82136b98583357ba92829eb021c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}