{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "20608",
    "entityType": "User",
    "nonce": "0x9113a160d07a24122df27ed32d25945936443dedca835d49439bdf60791c16f9",
    "signature": "0xb021238e9e2b54d2d1fb8c5d5bffb3f4fa83b15523c4a4d336de12c3f1ef294922cf99f33b9d69ab27322ce6297a230de5d0a3167e063852a56dc999df105dc31b",
    "signer": "0x243f92B83d056f818b9b95664A8B7A86805A3E71",
    "userId": "111448"
  }
}