{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "324732",
    "entityType": "User",
    "nonce": "0xa64dddf618926bc1a1677b33508ebe153f1ab6b6378ab32d76a9079b18f67f8a",
    "signature": "0xce1239222d3a56ab4169a0137a18223cf4bcedb08bf98c5fcd9d56d06198830020e5c52bc4c6631ce5429623ea99712a8993c0d8ae97335ed41ad1b03af88d7b1c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}