{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x24c2511e75097f7d9f474185147bb9ae5b86abe92ff79f0cee3db9f112c0e7ff",
    "signature": "0x1dc6955ea7c37b6ef879d7206638d0f75f01dc114d98e4b3c4106b61ae9302b01569784f21d5c736f551d67ff214ff625b23dcc698c2f994ca8fbb699e35faa21c",
    "signer": "0xaC67ED11738FaA2D017dD8790566a2Ff48B3eC99",
    "userId": "170633804"
  }
}