{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "364293",
    "entityType": "User",
    "nonce": "0xde60bdbf754aa8572e6d8e26f6a6d44ebb4157e90a3bef5606de3ed4abc3cc3d",
    "signature": "0x061a9fa2d63391cb0222a55fe298ab2e532edeb332ba38b21d66f4bc63b41c5a4592d76ff86de777b9c8af2e553d11ccd0317868605315b47e16bd52dd1738591c",
    "signer": "0x408CbFDbc09C9aFB99Da5f010D04f50A190b83B6",
    "userId": "675830993"
  }
}