{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "148891",
    "entityType": "User",
    "nonce": "0x1a413c6d080a284cbce4c7352d6a0fde69b990bfcef19ac99405c14191236ec6",
    "signature": "0x1fc1b5d012e2395dd7ee356efbd492e6d2d74ffd5986d610930518f31a5c4f081da66256a6e821d50cf5a3173432dfc7b1b37b85221dbbb2f58002e9e98cec671b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}