{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "887242445",
    "entityType": "User",
    "nonce": "0xaae05aa2dd14d5aa79822c7591ce36fdae60f468b64b237e53a5e87fdb5db02f",
    "signature": "0x6417991787c36f2fc24a55639a43b308ed5eedc12da95577e5bd0074273df15a4e54aee51f764e240dd87e7dbbc84a18516aac1f92def4ade8193db424ca72821c",
    "signer": "0x97eAfE883FbF33a8b75f6f37440caFE5CC452d3f",
    "userId": "849776474"
  }
}