{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "948584098",
    "entityType": "User",
    "nonce": "0x8c9b478eae500aba17844c32ef7bd95a4ca2a05646ae0adeec87b5893a5b5508",
    "signature": "0xae6b201f4ee46ee26b0335e8454f2e95b8d97bc641df4f7caac098fd017f612c12100c01cb2891fada4a0e9fe4bca84240abcd5c7f4201b982b2abd5b619d6231b",
    "signer": "0x21370B7a703524cC2941323C2c960224021F8D56",
    "userId": "986168993"
  }
}