{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x8ceafeb01f307ea5186a4b3e0847fbfa5512603c69fda84773edad827a20a6db",
    "signature": "0xa43a0474aa9432ee8ebf4da43386a6f37631f834ad69d99160af1a7eeff9fed17fc6298334f2fb91a3f82bac314239d7f534c5c4ee13a698644fb7f683ffcae91c",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}