{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "147726",
    "entityType": "User",
    "nonce": "0x14af2b6b29e4c7fd25be1264816a83e10d961d9f1aee8752d19ccf189be6a648",
    "signature": "0xa71d0a2d33ff11659ed802f4d7b6eb0598a84c50a1bde7824c2c5ca00783707e071943283513833c57d6d17b5eeefaabcdab477c1cf109e683d62c7d95481e631c",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}