{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "956567980",
    "entityType": "User",
    "nonce": "0x64698f0112e0cea23a2882f17625723441b9759c51f7a9c96895398aa4c1171c",
    "signature": "0x16c1a501a868248ee05c970630f7410c765ca43a32c278092532b58cec6b8cf852e5071e775bf0973259c3742783a0ad7ad926fbd064f801c8a0d220a526a9a11b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}