{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "104731",
    "entityType": "User",
    "nonce": "0x87c01a182952d0458a77ad72d88198491d74e8bb39eef9a81081c77dfc5634a0",
    "signature": "0x55035b52a1d6f73b809d0f570f7dc9435bb9098848c2f2a177e4a33e118b352b587dd66423c7ab35200cb04a219fd307a90b8947c4dc7480090670b472964eb81b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}