{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50424",
    "entityType": "User",
    "nonce": "0x0d84122e5197773562274c766e4f795fcc675e72e967c07c951ba863ed5c9a5e",
    "signature": "0xcb5c3253ea9c970a8ddb7d7a86ec360af94dca9261a34c8c8c94d2e00a9087d9082340847e7b1a9efe2d57ed6d6223054eb5f54e64dd24f46979a01476ddcd7c1c",
    "signer": "0xADBEc7CBdC007B087ebc7ae272f8a3cf42Ea0184",
    "userId": "466377094"
  }
}