{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1937100",
    "entityType": "User",
    "nonce": "0xdf2229a6d698d533dcb498a3a8b0dc01206d15ef7c9d689523baa21e8bb603e8",
    "signature": "0x0a54913c9a9aba8d4d94e080c51b8905290dab8fffefe715124ea8706e794ee23fe6637a7a83babb767e4a5b0298f431534b99c5d0bd2ea4c7930eb8eb0e104b1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}