{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "805043",
    "entityType": "User",
    "nonce": "0xcf3158c7e3dccdef86d75836dc997b57f5b8d3b23ad7ca4ae9e0a1c5f5521247",
    "signature": "0xf654c0cfc3f76287537f6eeecfecffae40ffc5e1dded6ac81c84a9e276604e261a0fb727fb2c03c178417287704062ebe5109e01b64263a48f24a42b791e96301b",
    "signer": "0x63EbE5a1B5C5F156330BDf810f5fFf6A224c75c8",
    "userId": "309080"
  }
}