{
"manageEntity": {
"action": "Download",
"entityId": "428628937",
"entityType": "Track",
"nonce": "0xfec66aeac6b3a197c0c7d7b06c03a8f7234f1640ef1164dea9dac0bc1b31dee0",
"signature": "0x63e60e80095b28e2169c258c54e4d4ce8a83a8abffbbdebaa82bb71c2514ccbd28c4e6afca0f24ee4fe3ee74f27176f10ebf7fa1e59a238b7462e727ed0b85071b",
"signer": "0xb841D7d7966E43630444A3A9d2F02094fFa66a4d",
"userId": "150216793"
}
}