{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "10654",
    "entityType": "User",
    "nonce": "0xaf88ebfe7dac8f3b9bea50c8cca101a972949cc607b09ec27a0beced3912792e",
    "signature": "0x9ef064d531fb54784a7e4a8042ffafae96c5386f3ff258d443b0f0b9e3cf32ff5fc71216a98d4e3bf3e3384f899619ac07125f6c1bc86ebe9c2623211db3fab91b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}