{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x46580a9315cfdd3c819e7806de56d594862abe25fbadf6b07a06ffb5a2854d3f",
    "signature": "0x5417e383b2850dbfccc7de321d82f390f08ab7f8cbfb663ea89f42cf4841edea6ddfd37e5336942082271c2bb9c456e1cddeb6aec9ac48e1526f8c5a382f972c1c",
    "signer": "0xeAfD0A53f39caF57D296858F883989aa0c32Ea33",
    "userId": "341010046"
  }
}