{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "714646433",
    "entityType": "User",
    "nonce": "0x64c92f984b7eac07b97042966385493032c3ced30f686dd73b17e232291619ba",
    "signature": "0x920ef526a319cf864b19b5426b600cacd005062f5563581ed2a91be23015c4f51945d17b6fdc33db82e3bef43dfe5da4842f372543d1033649ac6b96b8fb2c5f1c",
    "signer": "0x2CD314789C9583D12b6F54862F9E2cf505880Ad9",
    "userId": "354640"
  }
}