{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "236233",
    "entityType": "User",
    "nonce": "0xfe36d8325b0feb33eb8908481ee5f1d9f301dc738080543d04515bf5c4c892b0",
    "signature": "0x2cfbd4b8581e5b9ee7787ab44d758681810866112e7125f7c24af4529f2e9ce017efcbe531addb73fbb6abfca63c09fa7b939fdc317b65495c0177f33e5701031c",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}