{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190351",
    "entityType": "User",
    "nonce": "0x93932568bd233973fedbd61d23667546e930fd5caa65420a957c5d72dc1e4928",
    "signature": "0x4589101e81f832b08692809e978280257cd1361b07b41a7593caaabe017fe63134df03db2398b659d7815dfe846cfcf930df2a736221ca56f78e94eeac0b99e51c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}