{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "62409",
    "entityType": "User",
    "nonce": "0x509b70804800faa53dcf58fd1d46f56f069b80056db3cb21514507e165f9a7d9",
    "signature": "0xa15ba748c26a00c233da14e078126b1fea175d593c52ee549e6e3294db8df763167eed11b0ca9cb94b6572c57f62067140fca1125d72783f70f6e3b78ad1cecf1b",
    "signer": "0x5aeCC1AFF37a5BA2FEE40cF4dd6357A86DE23D42",
    "userId": "950958674"
  }
}