{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "297394",
    "entityType": "User",
    "nonce": "0xb09a8d6f7c20a563e15b9d8201682beaf0b2a31a5f687d5f9d8614edc0efcc79",
    "signature": "0xf5590a98cadffe5991f17dcc3777ad6bc35989c7691ca83228683e87cd8417ca18bb62cd3012144d4afcd1e81c97a0af691b86f4403ba9cfce2ca66ac37ec9c81b",
    "signer": "0xA26eB38Fd507196cBeD68d81865Da73cecE6e8B6",
    "userId": "514933273"
  }
}