{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "188933",
    "entityType": "User",
    "nonce": "0xc52a07c8d6f7b0d833adf21fe668d22888b26d119ade343e1af06b1c9d1f9821",
    "signature": "0x1185e1ad2e8759ff83cf55c4367b0e9fd0ecb5c1d3de01029a8373326839a7111a6a55657fb004ce377a980b27bd0960106f8ebe188121359d82e47ca77e5d281c",
    "signer": "0x6Af6D40d1d0B48D79D2bd3E3c8f0a45540130c0F",
    "userId": "89433"
  }
}