{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x85383e7454f5df5438db1c5e8557ba4b9f2e69ba4bca8865ac18895da0698eb4",
    "signature": "0x10ad32c1c3d024b00a78b73f3128a36c3f7161eef84d970ba5209e2b77f6dabd30b688e5424f0c8ad597271e07cb070b8a5bf0163993811873a6358bdd6275951c",
    "signer": "0x8a7260ec0aD64b3CFe84F28674b6A479E8319070",
    "userId": "69669168"
  }
}