{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "611628920",
    "entityType": "User",
    "nonce": "0xa7ef3ded982851fa2335814b6ddadbaf426f859731ac4197c42d572726ede1de",
    "signature": "0x9456b9da6e816308f2e230e2a88cf4accceef81cbe62c41796db2cecd521f286032c2c368b9832e27d3cf4de1a5fcf924df976d6e00dbb0f676cf296076309ec1c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}