{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5562",
    "entityType": "User",
    "nonce": "0xa8e769043e1d65a403ce69d7e07b7e826ddffd7ad7f588421585a598bb37aea1",
    "signature": "0xae204aace00cccf2de24ff34e06170e4394faca85b9988ed2fdd40607ff1547e35b8c997e94cf667018ca24daf627d85fdb6390958cf11b11652c660e494f2561b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}