{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5281",
    "entityType": "User",
    "nonce": "0x58364f8d45c6fc63598dd6bdd09b45ec66350b5b1ec06d1901f37dc559851416",
    "signature": "0xc120fa57c4752859e01d080774372bd7923ea10b1e969b8e0842e6d69962185364372a0381ab5b25dbbb7372e3bb853e8f1354297755d63e3084ba8d3d650e381c",
    "signer": "0x0E08279c5784DeefdFd6D5d386A85B74072d15ac",
    "userId": "448138153"
  }
}