{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "53717",
    "entityType": "User",
    "nonce": "0x189874f5d061b43f53cb180d7bfdac9a71b89092f93faee7c1e342cc2c18c494",
    "signature": "0xcfb6333d79911ac464ebbfb47314ba81b6dc106ec0e78a6f67f1cbae4a5bce6a46246111dc74842ba2cdcff4f51ee3543e064e5bc787dc0be41e3e1277fe09021c",
    "signer": "0xcc8164Efbbe4ed123B8689622b411c154496e66b",
    "userId": "60031"
  }
}