{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "136844578",
    "entityType": "User",
    "nonce": "0xe125df2154febeb52403c7b269111d3a541d7ba3838d241d07b3823da74355ef",
    "signature": "0xcbfcd329d59cc9f5f9da740d8aab2d35c8a3712fe917f06d63c66dbe609c86a47c17633b09c88f5671df63231a5ee3c1119e274a0c3a13864c06d50713f865501b",
    "signer": "0x75Da3C6dD4bBBbe11CB9AcF70B6cab12e8208989",
    "userId": "432267938"
  }
}