{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "363614",
    "entityType": "User",
    "nonce": "0xcc33527ec6d928e636e6b2b8f2bbf5a0049636cb8b9809093bdae741ff9a73d2",
    "signature": "0x67a7c07933376fdb067984a2f1fe6e6471ac6b5190546d133b7fee7977ced4ca0900fdd53e8d3bc5642b28d4983309141a7816e6be063f638e9b302e80c0dd351c",
    "signer": "0x52F331C086a11941E738a6C86d9F127E934dDEB1",
    "userId": "281470566"
  }
}