{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "923551697",
    "entityType": "User",
    "nonce": "0xc8b41ada547a05e7ff5409ecd5d6fb06c41bbf74b83dd37f6bb972c35c538a23",
    "signature": "0xf16ea03eaf87b3d17a1be6db7260c558af33f8b7f6920faa692a278aff71c02b16154da26819198110ef3c078558b72830d2c9b1a19ea0f17420df5f4d3309b11b",
    "signer": "0x1D0c500EC847246923045cB0a285242A93723f30",
    "userId": "302385956"
  }
}