{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0xa839ea27e873e6ca8024bc9f32447931f4ed931adcf3b0a4690035bc060cb4de",
    "signature": "0x6f94ea504b27a8d1388e301625d7c0666bf792a1cee59f025f78f53141ccfa4c15d8e7b1202118ebfef7ef2f5c32f30cb75a417f7d4eff497d65ef5834025a331b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}