{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1880649",
    "entityType": "User",
    "nonce": "0x264fd5ebe7b48021db843fc800ba9823a05e5938903607ba0d42c465fbbd290b",
    "signature": "0xc2ba8deed83b0109ddb6d61fb7976cd5bc05ec70eea6c8f71b984ac5037a913a6787b2dcf790b0c71f1d5e5803ad621f683d7f86b0133fb16587410da3733f5e1c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}