{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0x894889848358872a41759706d2dc87a620047793ad1829c6a364399d0d297171",
    "signature": "0x6e5d56385386d8fdb5fa91cadc91f46e969de109f4766e21d7cc18b2544605251aa580275a2d4f98f1421cd770dc1ec0c3943b0f43d04e125ba3b6afa2a9f5d11b",
    "signer": "0xA226224c445E989C805B3F16163D749bff798810",
    "userId": "716656849"
  }
}