{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200080308",
    "entityType": "User",
    "nonce": "0x078216c0ad5456406c726d6102cf2f54ea06ae06e09e52449a791365aae7d391",
    "signature": "0xd9ba812027bd39de1305f87195235bd976943fe9669e4e906cee4117f5e782150eb6a909839a9011de0755e2ed4ea55d89240e73222d79fde3bded0c7f5a778a1b",
    "signer": "0xfa1f98f0530E55C2BEFA45f0F1B3A699b4559136",
    "userId": "149566028"
  }
}