{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "63833",
    "entityType": "User",
    "nonce": "0xc23563a97f8e476e2fb976e1911fb6970da59d19ab68bdc42c94d25b26023fd2",
    "signature": "0x9a086fea349a946aadca52ea2bfc5312069471a4ecca5c496929d1665d74971d40c4dec79c01f2e244299ffd16af360de0ddb5af89707ca36c7a1815e204a07e1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}