{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "16782",
    "entityType": "User",
    "nonce": "0x3b8abf5f7d0c7be086078e36633e7c46c279ab5d9cde446b4c46e8635b7dde20",
    "signature": "0x8472981605eb1c91cc7f252de06ede0ce2917c0ef65f36ef7c0c66953d65994d411e38243b863b7409202f5c459f218cb04372bee9fdf8302d7df50ebaccc7ee1b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}