{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "420647095",
    "entityType": "User",
    "nonce": "0x0f9275dcd9d6d1de14150b6f1e1f3454a43256fae05e5764cf5204165b3b0a64",
    "signature": "0xbd05cb4684c5110eaee979eb819756a50b64148757d79c40d7dbac61901ef11066fef84682b8f1d1a9650b62ac60f8588799ff873005a2bf6af78310f3d5aec31c",
    "signer": "0x27204C77Baa4a510c92A96A4ba3661CC53EE568E",
    "userId": "35918963"
  }
}