{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2691",
    "entityType": "User",
    "nonce": "0x70e37fb4ca1f7a5de11023a235a735ad7649d1577d7adeaffb6e252e751238eb",
    "signature": "0xebe88eb2176fb3f215967e520f273a0378165d008474cad253cfdda1badfb01613e9b4db3f1ef67bd586cdc520c7d52ecb3b92c9a2f0b5924d6cf413b431ec7e1c",
    "signer": "0x9a9735A904C1a645809Ce28241a945c6B4dC1454",
    "userId": "261524"
  }
}