{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "62309",
    "entityType": "User",
    "nonce": "0x814fc41aae4d713839963d471262455197df9c1051d88bcd080b26d0e05800ab",
    "signature": "0x8dcc20b643af8350a607cba1c45f3fb617b5bbd9d48a8464268e203d1358275d749fbd26a38c043fed5a6a58563aad6ff832c01077a9a9005fb7fa64912169611b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}