{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59768",
    "entityType": "User",
    "nonce": "0xac4dd42621af3eea8c0581dea66f4ebaa81cfd74808cde3a868ab2f5e0977f0c",
    "signature": "0x42af50665ef3f15b73ae67ea4717dc4d22f799c4da2bef4d67897489f86e744366d8270bbf65035a240d4548fdd11906eea23f2f2bbd4cd3ac9217db123643a31c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}