{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "114951",
    "entityType": "User",
    "nonce": "0xef3a4c988fa71a9d46607956a63b7b6a4bec53133be3d4399764ade0f3fff273",
    "signature": "0x8e8900710489e4039ccb86bb13e76d9d522b6c92ee9891218e2404242d16c04f0ec352556cfdd7b390a04de331a25f583a0677cfada4c9a030a0f89309146b881b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}