{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "13022",
    "entityType": "User",
    "nonce": "0x5d60216ea8519b5f211f296a17255ce7a078ecfc58ee7afef7841001980bf0ce",
    "signature": "0xb30d2d7098f63ddabea11e40df0f93c0dada75fa2b0142af456ebe25569b46760ecf8dcf017bbd92b06795dbff428fa748b4d805d8d9eeeba07db6e8e2bed4b91b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}