{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "354074",
    "entityType": "User",
    "nonce": "0x711284c5c84691e63bcbc0a6d8bbcdbf3ea69b99e41abff60118bca40de0df6d",
    "signature": "0xa01c4f946a152ae4391f3cf949cd2d0c57d5217406b859af07556d082885a3ee501cfd0ba78be8cadcaf8f101ec62f5d92af7258ca5423e8662d2f59a934db801b",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}