{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x35f3ed6796d0445978acc3f80418f5655e8f79d4317813b6600c1d73025fdf83",
    "signature": "0xcda93e94251aa2bb6e14d4b2598f7e3ec15156f386aaefbbcdd98b10d9d80212389fa9e5d6862a3c2554bdeb386c0436d55d9c6f3353d435103a126e0e5706661b",
    "signer": "0xadd245b15aD14312f93D5Bf1635351f4C0543048",
    "userId": "670156681"
  }
}