{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "862512182",
    "entityType": "User",
    "nonce": "0x14bacd0b57e9c1e4cb2348a260f7c49fef6ef78a417973c0dff74c799479fa37",
    "signature": "0xf77d21d89642a2f6876a5f42e19936fdc4ce797e1cd99cbffe260daf4ad7481934fccee285b384f963bb2bd0f3a2545bd393816e22715621fa931ede8142bf0a1b",
    "signer": "0x1ABf6DD41fe1E6b1C2d3A69859a25C92caa31b32",
    "userId": "17689"
  }
}