{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "593684426",
    "entityType": "User",
    "nonce": "0x999638efcd07e28b455144d3f6f8cb12670c68e7efb8fba20a9178b0e00410b2",
    "signature": "0x765b3c519f587c73c342f5f16924709ccb35c9c9d0cbe8ca3c9980c84ebb46ec46b5de115f0ffb3f54e6daacbbf63a1a356430f0c227d358b13e7472ef40b2611b",
    "signer": "0xe8BAaf9d67869BFe993951C60524b67BC331bac9",
    "userId": "75683930"
  }
}