{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "12634",
    "entityType": "User",
    "nonce": "0xce524915ef72eb5504451edaa6655a90f2045e1ecd76b317b89730451f0f9d17",
    "signature": "0x8aa92ed6a1df397efd7b794b6fa8c79f183b3d32ca1f946fd01efead4338250c3f35467345438e12a584038a04fe605ed6a6329e1822c3fb91013de6bcbcc6081c",
    "signer": "0x6818B889bFEAe14D2ADdaC4dBF0eAe75779d7Ac4",
    "userId": "341292657"
  }
}