{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x7a4bdc1e0dd97b1dc896cbda9d919d730c728c671c636281fabf458c19a6689c",
    "signature": "0x7261a5f451d0406df3d5ce4638dae748b41187a339ff75b00612ab8b3a040d7e01ac7e733a0746d22da83b3390555f87284d9aa59979074697074995a5e894a11b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}