{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "52017296",
    "entityType": "User",
    "nonce": "0x27ff6258a0dd26583b0d18a474dce0dfb0df624e94dd45ee32a323680f472d67",
    "signature": "0xffffc58b6f80c08d8335eaf23e299f3a890b1ea216d9b743f61eda4a55459519593a052a69dc79947b4f7bcbd2282ad5fb98a5029b5ae73b2ee4249de7bdb9cb1c",
    "signer": "0x4E3828bc809fb5B9deb81fa536cF73Dd5bF4eeB2",
    "userId": "185184169"
  }
}