{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "40114",
    "entityType": "User",
    "nonce": "0x29a688fb6519900cbf6ddd2aa8183429dd6bb45dd73441d84bca4588a8700b23",
    "signature": "0xe7e2dd80a3c6947f44e5ecfd2b2a95589da8846caa5a0cbd1344e0be314bb0bf73f52c0ba29fd0b3c1a84aebdfd2eb62c9336850f5d62932b7b1fb9bdfb448971c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}