{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "297394",
    "entityType": "User",
    "nonce": "0x1fe84e81b912d7036d590ef9521e677d5510803a058da2a33102c1513df14e4f",
    "signature": "0xd33e90f3fc69876c7a10537c250e654f3818a9c2a8d036b443607a849d01ab1a44325e2a152273e657ea4c47334d5df7a9fe5ab1736a63bef370d10b27f72d241b",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}