{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17294",
    "entityType": "User",
    "nonce": "0xd87261668ef3aa70d8626d52f38c026e894fcc2a70500b9de3a81bd92118f818",
    "signature": "0x0d4b28430347090c72841d52cedb73324839294577c23f510aa6c9aa713ca549640e3eba332caf8983785bb6014296a0cec2392722fb0bbd07806680ae3c8e9a1c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}