{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "65828",
    "entityType": "User",
    "nonce": "0x481ea645d29ecc41e2986e87564b219bd9d7dce01ace4ef778cfccdb6fb5ab60",
    "signature": "0x932b0ca058fe755b687f5995b72483b459966684f91b1384c0f2c45fc7a92d693ce14984a543f1b956e3b4a80cd8cc8c7f515a18ee1b3dca5c5372b4f7e514ca1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}