{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17111",
    "entityType": "User",
    "nonce": "0x0cbd8a5b004363adfab06015ea8b515e92d3e0fdc0d06e88ee72ccefa763334e",
    "signature": "0x57b53194384044f5702e03a4b020ec9a3789471632b546ee3e269b94fd45c9877543d1a43192a4e50ae41aa84f273b2b5016832c3c1b6256a2c34500408c23ca1c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}