{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "923028519",
    "entityType": "User",
    "nonce": "0x0491707dfc9baa3519d3d4ec47d9099277010e94c8e782fd39e77a4acebbad13",
    "signature": "0xa280500f8937bdb71cd7ef906491a322b47a57581664e908103de9a47e15699c09077ae12668293453478f65970061968a3d20e1147718aeb8992c097fcaa24f1c",
    "signer": "0x367680E9B4EfE77a6636091FA6c2c71749Cf7C60",
    "userId": "40274"
  }
}