{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2595",
    "entityType": "User",
    "nonce": "0x397087049e349336abb8fe85b57da93382f0a449b72409f9d6880ac3f918634d",
    "signature": "0xff0480e5ccf321fbd9acbb507098a9d40fcb7b014af438af206000874230c51a5077c93f193bd6686e31e77b8f28f30876ab1834eaeef3ca1ed269143d27200c1b",
    "signer": "0x809Db232a6131f46553BA571FB17bFA2cc58aeE9",
    "userId": "351386054"
  }
}