{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "377610060",
    "entityType": "User",
    "nonce": "0x4dea702a0b7033cb47fb21b00300e3446c20672864fb4bd4a8d55df1cd467cc5",
    "signature": "0x6b22099f3bdf4cb1074491dc2b96c3dd70f7c3edf19b0f69dc6ddcd0267a08997f6562e4daaf6ec9056c906e1020cda71ea15c59bccb079017c765b8b85970441b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}