{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "844754103",
    "entityType": "User",
    "nonce": "0x4a2e9b8998a91e96cb37f3831736f1dd79ccde2941d3d0a48365b64bcbc433c5",
    "signature": "0x82b0f9a56a389af1fb47d2f9dbad3fbb70fdb95b0f59d88e311343e6aa2df81327f1ffdab43f9b9d943077b8cbe37cf7f788bd96da2f00ff3784abbd7c168e931c",
    "signer": "0x97eAfE883FbF33a8b75f6f37440caFE5CC452d3f",
    "userId": "849776474"
  }
}