{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "16782",
    "entityType": "User",
    "nonce": "0x56ed3fc1c600c5fbc58c968909ff9bc89fb0f00c79d871459b77cb6524f1f9a2",
    "signature": "0x6b2b0a0bec93779f65f5c1a0c1eea6e94a4a6a3704b9bd13bface62e8387335363dbea1f40ebb5f663b7c607bc7e9ecd1c730d1e9143e4dd78bf803ab3cb71531b",
    "signer": "0xe23f94433EED8958AAF9868141BA976B8fffb969",
    "userId": "307915745"
  }
}