{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "211307",
    "entityType": "User",
    "nonce": "0xd64bec26c81dcc32b843574ed0b10e29d7a6ecf2d166249edafdb398dd664b0d",
    "signature": "0x0d9ce1e381e3ca396c2bc75bfad1464d6696fed0fee154c174db621125cf3bcb1ffd6865ce8ad07cbc8aee810c7f22dd35b356a91c9b7fb849b73935fc79d8461c",
    "signer": "0x9b1a9d02F213F5C768F11FC832194b5cB665E056",
    "userId": "418702748"
  }
}