{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "38277",
    "entityType": "User",
    "nonce": "0x863e7e37f3eda3ba8a40482b25c94b47dff131af7789aa17eff7e33f3b4742a9",
    "signature": "0x8d6b24aa4d8d85838e9d34daffccb7ab3d3d3897a371ff4819006ffaf1bb38002d677b28c95199fc3b3ee34593286e37bcc3ec3e2f53aba9c532a06f37bb51381b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}