{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "186198383",
    "entityType": "User",
    "nonce": "0x4b42f7fa6a0e079320aee0037d72f06367e2028ed0fd59046dbda9e7c27e1a9b",
    "signature": "0x753490456b19f23ab1ebc1d262de26b09fd0bbbaf22227d85fc13794d00bf8c75ff3cf6bf14ed2c629afa5de812a3b920520fc6215a6d6d974c3e2e2ff8955ac1b",
    "signer": "0x262FfE6368E86674bFd32404757f3A8B1a189F85",
    "userId": "664900058"
  }
}