{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "13452",
    "entityType": "User",
    "nonce": "0xb4cdab893537e9b16aeda8a5db90d005e1b6fab495c609a1638344f3b9f7f356",
    "signature": "0xbeb8e69b59c6af72f003809fb3e74a1e450cde6dfa3753fdb5f357c231ba44d566a13234e2c91f0e243c3c64b658ba3368adba99194ccc13bd6225de83d1914c1b",
    "signer": "0x92328BFDeD38C9a9De6E253A0CF5CB46A3B28611",
    "userId": "831117417"
  }
}