{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18122",
    "entityType": "User",
    "nonce": "0x6c0fe3fac395b07b3fb46f55c9e42f985fadfcd9b3413d7b106a07a7ca488145",
    "signature": "0x6f8fbd94f433390ee21a9e55d342a7e4b82e44888c49ae10e6aad176297735d24d3f8e808e3753ace34ce7f5600d86c685695739648b5ef3299f72c4633fa9f21c",
    "signer": "0x283a6Fd0bE176865B404dfc3B2805D3a2701d62e",
    "userId": "484365174"
  }
}