{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "167465000",
    "entityType": "User",
    "nonce": "0x120a8686d3a4a03dfdc5c0d952071f6e6b7f1c44a8839fb2228455d97c687e57",
    "signature": "0x864888dd4792a1698e0b8d8293b479811394132b6ac966ec669fa86fac8606200987f48317bed2b7370e6bfd7aa60f3d6a9e63032d3581126ac7eb177482e8901b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}