{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "593684426",
    "entityType": "User",
    "nonce": "0xf401fe72b5a686ed129bbffe84481dc8748e5bbf63e9c0c48e4ad36650c9481a",
    "signature": "0x1d37489f71184b627d3c31282551d17201df0cf6e9a54cdcb0ce0ca1fe70323b30671d1db37c553c97161e02bba12ca9c306ce46bf275c15033ca3849991ac5a1b",
    "signer": "0x907aC62756E029bf9e827f2fe5B765617aA619fB",
    "userId": "189047632"
  }
}