{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "146930",
    "entityType": "User",
    "nonce": "0x8e9f5055cff94593dc60d639fe43cd181083511f33df580ec35bc281ca0f0284",
    "signature": "0x7581d348021db271189cbb4abeb64f4b6a7470fcb20e154b86915bb0a8f3857269eb8e6c74d4e2c4041d17738b5315acde15802443453a573ce43cc2b74f8cca1b",
    "signer": "0xE176510B4C6a60d098ec2C19394fa2F1F20b3cd3",
    "userId": "103319132"
  }
}