{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "366337",
    "entityType": "User",
    "nonce": "0xb2b4f357993dd8089a20a2f87dcb4e8057b1833d36693790d7b9a5843703e294",
    "signature": "0x0266e6c09b66f42fb5c72da79e1dc7667c627189b806670bbc231cd9d6ab26ee33c7e1f4a701d6c48617aecaae6e7ad7061e2bf24ea16e877e877fbe1f7d1a041b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}