{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0x0af2300bd2ca8ed338e0c70c50accad01bc078471719abc5a883a027f12f1f24",
    "signature": "0xbd03bec8c75857c6346fc675b011ca4c74c4badaadbd4750b95c01f549c105943182c0e251edc041b252c48af81089d4a78af4b019097fbf9239e7f83f2ab1651c",
    "signer": "0xCf3E6F9F4BF41C4e355E01484A92aaf61B6dd8a3",
    "userId": "149919577"
  }
}