{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x2051413d21c73e008243d8dfe8e8887aa0086c07fbefdb958bdf9913154539c2",
    "signature": "0x6ed6b24d2b54abbd4bfc39edce59204cce99c5d25cd6304e6f0a8ebe1a19ebac4abbd824794d1c5ab98673003f04cbf6ce3bceb1a6ffd3dd5310bf09a9ad9b191c",
    "signer": "0x3e48DC5763519fbdE0A26db7C59929E8Bb6B8Fe2",
    "userId": "971129804"
  }
}