{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "562822143",
    "entityType": "User",
    "nonce": "0xece4cbf8511e38e72483fd8268caf98d5b808f5a403b0bf154b9e2aeae445398",
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    "signer": "0xB28c3e71Ce63Ff378DF87C1f77d4F79d444b5E98",
    "userId": "92529900"
  }
}