{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "144101",
    "entityType": "User",
    "nonce": "0xa4204cf689960852633e59ac1ba9bcecf6a33ddda29f94d25809da0203c4fc59",
    "signature": "0x31d8eb470a4328cf9bae92b5e9e143c97a9563c80c170c866e29b6bcafceb3b25fbbac3a0818d5dfc46661ed83c3506c442622886627caa1c51990194f2d4eae1b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}