{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "134328",
    "entityType": "User",
    "nonce": "0x8e20c00d5daee6fbea41eaf053ddf4587b3f68d30d5e8ddd9d4825d304d490ac",
    "signature": "0x386ab69f829175b2d8be005fc5f9c5c75b3857519c1d0808eb781e836ff9b9cd193ebc2c4c502a1ca80d1075dea6a4f6d69f2fb2cf03fa0284cc810a04a537a51b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}