{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5862",
    "entityType": "User",
    "nonce": "0x915c8cc57b5ccb0ac628a982da43e6b412a577ce60a640f364f09e4584e46832",
    "signature": "0xe84ebf8d71c7f5dfa33de6ba3e48fb57f274135b23be4f0aec8dc68bb6669b7931b384f87170d1ee1f902aa54888797d213579e0cca1912568989329c7b6f8d21b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}