{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "235384",
    "entityType": "User",
    "nonce": "0x0cfa2a52013b9f613ab46a50fbdeb10033d35452352ea9f880a19867e0662d1e",
    "signature": "0xcdbe673fa376faa1bc53cc2f446dec8e79b6357be94c3fd4c5cefe7c6696ba9023d236c60f7d4395924206f803ef2bb091adf11713471815711d17e190a2547b1b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}