{
  "manageEntity": {
    "action": "Repost",
    "entityId": "758894678",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x275603db9a3250fa936dd9a3522dcf1c0bd5e75201b4e00e102305dbb8380c38",
    "signature": "0x3f1de690b86ca0c0c33dc65ef1e1ae59249853cb056774033697f2b60ca27a82337c3d4f9740fe97e244ec37ef9eec4d42d5effd69c19139c02419629c025f191b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}