{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "601282125",
    "entityType": "User",
    "nonce": "0x104a5fdd2565b908edb27a255c98b776344038478659b69d8b14144940ce3c1f",
    "signature": "0x17d20d86285d47515ba706fe0fd6d65c6887c87521d9a6d9869d509af0f8c55b6fa083dabe98db2f1c81a5781d7a53a17ceda23a8dd39c0f5737a393e71010901c",
    "signer": "0x3776E1D82Ebf03656FA9D03C18fd5B58D7Ddd337",
    "userId": "83331354"
  }
}