{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x1706298924e7a0f8852ff1c04d7cfae26b38afb6a01192f2c79751cf40c8cd01",
    "signature": "0xa6174eaa96b7d3131f2382c8445d85e0f5634b77e6af098b31be5b90f1c65349591e6b61883182c27d57518d2461c6eb72e5c4608822cb313e79fb6b93efc2d31c",
    "signer": "0x674FFC02F71bdD4bD3Ae60c618579EBDD541E397",
    "userId": "787787230"
  }
}