{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xd7796773770fc9c58e1a724d291157b52f9a43e5d8e49a1e2ab056e46f3412de",
    "signature": "0x22bf847639591b30dd4ef2f62425199f9739386fc221fafa20dfc865cb9d1f731d44484780be62c805419268d228ded7b481d41aa8a3e69e1c75bca4e5e0130c1b",
    "signer": "0x2984E1f1fB0EEaEC4b5f87d0949484C0c13D531D",
    "userId": "791489175"
  }
}