{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1033830",
    "entityType": "User",
    "nonce": "0x8efe323fd4e6294a847fbab994b6fcf95f0a5012c99913b4d6077c016d20dd38",
    "signature": "0x87f631b043721868ace7f9a65f37754bd5c5786e94655c9ea6c103dbb16c90e75389a349844dcece7fb63b5496b3785e732e55f018511129cbb25996cae460fa1c",
    "signer": "0x2F7db4C1AE3922aD0f32CEdED1870278dd17b64b",
    "userId": "467213409"
  }
}