{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "787067",
    "entityType": "User",
    "nonce": "0x8269b9bb1e3d5dd90242f2ef60762a75a8c81f589454c9680acf468783760a77",
    "signature": "0xfb8464f14a72365113a986ffe2995b7cf4778da4a6a31647bb6f801cf90d8e9f342379768d5e746cd6e5d87b74057b1cba546dfc254ad27585136ddbf07c78a41c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}