{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "337206",
    "entityType": "User",
    "nonce": "0x0ee4ce9ae29280f2662282eb05a5f602340e49cd087ff66a38f84f6ee710862a",
    "signature": "0xf74a3cc7a771d4efd3541a3b5c1c9c5df31642ca76db06725dcc3385906c648a09ddcb724bc9607257e16b65e0eaa0498462c0aa82854d9d621dc30ee66bea0c1c",
    "signer": "0xC7DC41BAb5b665A2c8A5F2b97Dc8c04792343A5C",
    "userId": "191336840"
  }
}