{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "838777725",
    "entityType": "User",
    "nonce": "0xa4b81c4bbc534ce9fe3790f304af03a458b98eab266b89af60f8bcf1d88d15e1",
    "signature": "0xf6808f99f1c43a80858d45d176d3268ab8739b8e294ed8a53db8a1483a15d0ff1ba461489de047422f44c4671fe2e37fbf55c9886fb2709d578ef171329bbff01b",
    "signer": "0x92328BFDeD38C9a9De6E253A0CF5CB46A3B28611",
    "userId": "831117417"
  }
}