{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "10869",
    "entityType": "User",
    "nonce": "0x3284826d976c2c632188d184606243e28b1ae9af7f51b90b9855dcc7463f9f97",
    "signature": "0x3a299884b3a28ad198d62da44976ae28938cbb35a08edeae6e170b57f77b5729174df4753ee3c782ba316279e31edbc18001d105a7ed3fd457896044fd9ccec61b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}