{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "609792603",
    "entityType": "User",
    "nonce": "0x5de76347d090a5200289eb97f88325b05eabe7f7e5c0288d5b5a9ec8a311f741",
    "signature": "0x6706b47d0d21279de96dc3986af5700c3e29a8febe8e15d066e7353ca4ab010d7a965769c950cd6add9785a4bbad00f729850f04d6cd20a07501e3126b9cb8811b",
    "signer": "0x05aba01c97C4F182D989670622abE9c797782dD2",
    "userId": "508263176"
  }
}