{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "346849",
    "entityType": "User",
    "nonce": "0xa2f959ebdf1fbe69adf3d7bf30480833de277a72f72c5d6835a3a9d7d2a692c6",
    "signature": "0x2ef25635783991e086118e793e6d9de5728e7335ace9dc762659e3d3d16e18e03252fda3c3238632a9d6796c6e214c60c9b4ada905a798fb17caf583c00f639d1b",
    "signer": "0x1d868e2cc29848871636BdCF83a08A975835b6DD",
    "userId": "120328011"
  }
}