{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "20853",
    "entityType": "User",
    "nonce": "0xb9fb246a0f7d5bf110ee2be045caac15734ae1cc1d0c7c82ed8d98b8290e24b3",
    "signature": "0xa55f61563ccbb7ae4dbb0626d61e19220bc679679a670f6a13dd4bb8a3865b6d0e4e4be58186d382800a965e33040c5565ce8ffd2d331eeb0120001b9d09d8a41c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}