{
"manageEntity": {
"action": "Save",
"entityId": "944023757",
"entityType": "Track",
"nonce": "0xe29163af16a9c0f3df615a00d040286e854cfbcb0f203c8663ce3e59af93036c",
"signature": "0xdc75f935123ff60fdc6fc3e878a4808b1bf325060ac73d228633cc938e48a6b044dd00a975f82093c4d5f5b4c8d69ec594a6a96085d08de0f982966b9b0f10221b",
"signer": "0x05aba01c97C4F182D989670622abE9c797782dD2",
"userId": "508263176"
}
}