{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200460",
    "entityType": "User",
    "nonce": "0xfaf00dd9ead8a5031c5b244f6a90c828b688f29816e95d309fc2acdcacb6b76c",
    "signature": "0x832df62541a5e2e3e9b21dc4aeaf3796170a39f8a9e86692dc4340ca9018771634050a1ffb04869c68580160dfe1387278f2e0b06945d6939758f07f39333e921c",
    "signer": "0xC965eCf215DC75172bD11e8E1dbE76EDd838886e",
    "userId": "260849"
  }
}