{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51842",
    "entityType": "User",
    "nonce": "0x53c275bc13f2ec2cccd3b44ca5d365a10f8bfc178014d3961334e8f21e7e43ea",
    "signature": "0x20cf01492f9325a1d98271db2d97bc3d6ef2a14b8fd09074c555c57580e72a493d57d131ade77d06857f4a60eef97adc6975766891175208b943bfd9d0ee449e1c",
    "signer": "0x65b2681094e762CAD2349e6C1e2FbC8d54b9c046",
    "userId": "11153747"
  }
}