{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x5c0137198c8d303320948bd44e7621766994ce4af1b5c144256d7c7270a29441",
    "signature": "0xe86326d71e8f0975b8bf174dcf06310679e5fab72a4839ea18900515b5df392c6a2619dc99ca876fbcd90eddf036885f23e979dd769d274d95f034b770ce98f31b",
    "signer": "0x1b3E9Ea15dF71Ced48bA8E493c9BBBcBFa25823a",
    "userId": "913385866"
  }
}