{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "68221",
    "entityType": "User",
    "nonce": "0xcb0e10f69dfd68745b0a78c82df362fd41685f1e510eb9b26b4c4014fce96476",
    "signature": "0x4b5391a92048d45668cd77ce94deb00d6d4118a8853dea459fe5d3b607478d05208d94afbb62a2eab3ff3044b1e3ad8f7c1c08986f8c506bd6eaef88283199f81c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}