{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "602782067",
    "entityType": "User",
    "nonce": "0xf2627b80fcd82a4f9371cbe625b004883b9b0fe666e28f796ae2c57395bbc910",
    "signature": "0x346abedd86de4a7eedea49eeebe3a6e300ee8680f5b8192c73c2b5befb516d266bfadf873ae054f947ff7c1e5dd2530f26bffd43db5b7286077ce85200e893e91c",
    "signer": "0x9BaE2e1849D39772019b4AC3468e938a232f73ee",
    "userId": "948584098"
  }
}