{
  "manageEntity": {
    "action": "Repost",
    "entityId": "640916",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7b5218a65694bd278f50870ac8f87ef4fe59c8a0d518e675a04f072addc82648",
    "signature": "0xba68d586bb2fe1aa32a3d7e8bd592dee73305b7fb40c213faed4fe39d4a1c33145b2bf503b73c502921aea752d431623e83e0306adb1822feb9b8b118cba1a3a1c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}