{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "937299109",
    "entityType": "User",
    "nonce": "0x5d7003f9c38f26ec90df5b096549e8a103b7050d07e43aefac7269ddc133777c",
    "signature": "0x858796e65244ecc9f3331b196592f51e67a08ad558d4829a4a292be5ef4f1c6851facd8eda9661fe8d594ece30ac3b309339da375989a0c540ad3ebbda14ebb91c",
    "signer": "0x97eAfE883FbF33a8b75f6f37440caFE5CC452d3f",
    "userId": "849776474"
  }
}