{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "170217",
    "entityType": "User",
    "nonce": "0x7942ac6fc87b84e0d10422af9e99a347c0324e3862ded7bb5d87f22ef56d51cd",
    "signature": "0xc5053de3233626a80c641cdcf65fdada40377bf8a2b33032424fc9237f11154928cfec77cd05db3c127a17c3f2ab42a1cfcb9053d67949c86dd86b3c5ffd6fc51b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}