{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "58963",
    "entityType": "User",
    "nonce": "0x3c634f0e7cd8321846da95f7078e03ea48ba7efcc96b6c00851b2a35ca68b30b",
    "signature": "0x98da6ba87b7310568137eea8087616cf628afadc8ceb8e78ebba646ebe9701d461f62cd29c92fe98816710281049b451c663853b677fc09f4561d4f8d12d684b1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}