{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "486490947",
    "entityType": "User",
    "nonce": "0xe908d509867f31632b1d293ee608a8651d71dc80e03df7af920c8bf4ced1decf",
    "signature": "0xa5696f63e40206ddb7156f685894411807b890b3f36517b02c05eb127ba0b02d3d88f5905a5a7a8019604a323ec13dc6d7237efeb63064679cf8c89e38c2fd211b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}