{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "80943",
    "entityType": "User",
    "nonce": "0x8d5bfc5843617d059e52508f6afd2594056f7e5cbf4a06c080033ec88518e13c",
    "signature": "0x2df8a752bc6ad0471a5787fcd50d5ccbfe0a88942fc1be2dad2fd8272bcfdd4201a16f6914b1078e06925c4e360ab469c6d09711bb018f42e593baefaa425de21c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}