{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "712641230",
    "entityType": "User",
    "nonce": "0x09da64e616b4edc87ed3c7fc5ee342269eb8beac135513ceb228bcf565641f55",
    "signature": "0x06ce4955782eaa2fcf3b2c825bb98b80f56f9268cfe1e97f3347c725f44dcc760dda80c6206419ee41e5695a31f56afa00cfc085918c5ccbd00665c718483a041b",
    "signer": "0x6AAB6EaEa3f7F15750b649C269b0391dcB19dEeb",
    "userId": "92019297"
  }
}