{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "63972",
    "entityType": "User",
    "nonce": "0x652518043ffe488606e52bed5151334d0d03869435285ebc0796eee6a7daf06e",
    "signature": "0x0e62a1c900e722b0561e5069a182275f64f486082f48564246b3559fa33b517c325ec07b756305613c494576f70322648dfb0553bb8d7ad319c0886221d16d101b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}