{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5773",
    "entityType": "User",
    "nonce": "0x4b8c2bbe2c58a130b322f78cbab634bf44ed0d9941ca63b9f34d996441d1c1cf",
    "signature": "0xcdf16b0820a7fdbdcec4caba3c43519a0eca3593d2dde0267481a4eb155f37716749c2b4b1ef153ef6ef8da8e730f5f9e5f8965aa1b66d6b636326e490faf42d1b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}