{
"manageEntity": {
"action": "Save",
"entityId": "177198",
"entityType": "Track",
"nonce": "0x672311b89395e6b32c2ce137dee1e039352b5b019434b09fab25bfccbde2dd41",
"signature": "0xce3c6ee8ad29bad1fba1956861ae8dc413a2cb79f0a8d66d6fab74b994ecdb5a23eba6fa397b17c2143b98912cb1ef6dac4a57b4569f7ba60bdc5e431d5d8d991b",
"signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
"userId": "614212580"
}
}