{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "157194",
    "entityType": "User",
    "nonce": "0x5eea46caf9b12b9efbd9de1c59e34897516c1248fbaa6768811b8acdc4904bdf",
    "signature": "0x19bd7d54e1bd9bd5f1c4d8cb34f17d280f7ab82cc3f656c0aca9b14ad7ad1aa77e51feaa44e5b3ab1d7781bad492d8c32d61f9925a3e3339af6e85eb02f7b2141b",
    "signer": "0x49453344e6cf32d3172b6Aa3Fa67e98Efc2d6284",
    "userId": "220496640"
  }
}