{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "57967",
    "entityType": "User",
    "nonce": "0xb3bbdf206fca2c9cd4697a833713de1507ad2a15f0cbaa4179cd71fb2e4d4b4d",
    "signature": "0xe3cec0c658ccf5aea37be054e4e49ddbb1e6b279184b155efbd7461a0384d3e7386eb0be0c062a356d472102fa7589370de41ae6db72338616daa6180b8cc6251c",
    "signer": "0x73317E9D44b6E1b7d146760b12dc5546Cd140ED2",
    "userId": "683609933"
  }
}