{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "6020",
    "entityType": "User",
    "nonce": "0x3b67cc1e336ceeda0366e4d337b0e00c926431f3c3f717ba5e6e30cef1666ced",
    "signature": "0x74b6e003373a4db8b2407658515bdf58a31d9eb3cca39a4cf7b7f74355653f33642081dbf5c57f887fb6890b7b5c08bae429e5509048c937323b4e3edb91a1141c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}