{
  "manageEntity": {
    "action": "Share",
    "entityId": "138738955",
    "entityType": "Track",
    "nonce": "0x18c2c283a6d45846ae8e072a6da827dfc41357081b4e5860ad6814d488340bc4",
    "signature": "0x3d48f5fe5f8e42c0b3cadcaffc4899c02c0620c2904306f51f10f845fcca73154d8e17fb524654db9e49566d0fc0f92fbfc07a4f0b23c965169695c1db4f33581b",
    "signer": "0xB57F94Ef9a26d73E8b35D3f37FccD18BcC7eeE00",
    "userId": "850416615"
  }
}