{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "325624",
    "entityType": "User",
    "nonce": "0x5ef1710cf5591ebb54c61ec1f0532e504b8add0cc6349ee22267fc4c43b26b09",
    "signature": "0x6ba3f987f051f40e8f9cf867498e968b4683c5f53da720e9b4c9908e1def000c627ebf80a0bbfe5dfd6e7637f595a8b69e07411f87deed37d98fff8fe3296b511c",
    "signer": "0x700192Ed1eAF4C3D6E049F3b29D1ce21365e61A6",
    "userId": "980397349"
  }
}