{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1725390",
    "entityType": "User",
    "nonce": "0x08326fb623b3f8e8e024bf7abe3d29e6b8a91b057ae12230e32679b6d61c0422",
    "signature": "0x97fb010cbf124a55e2fc8616f03c7c473a66121351fe3dea1c24521170a194ed330114a21af8ad90c62a4f81649ac8e6631762db2cfa25819b5b895dc64850881c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}