{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x2ee78edc71393df7c7f26b3379d91d8a93d5da11543c3c518a283f9a5e07a8f1",
    "signature": "0xbd976a9a91e6868c40bf745e765d0be2680efefbbe76129969bda8e35cff00406ed8de28dca6075204dd8edccfa5495fbe26e0af9cfe7c0f862064825ec4eb5b1b",
    "signer": "0x7Ff3f3FdfD9569404F8F624D555F7B76A23468e5",
    "userId": "224852826"
  }
}