{
  "manageEntity": {
    "action": "Repost",
    "entityId": "513648723",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4f20cb697d04303b757a397484954f30dd421f7479d989bfe6d549df316633bb",
    "signature": "0x989ac0dc1a12f2fa8b0b90179aa4d84d53d9b5788374e3f1e53b98dc68616ec73b982bb62c28d6247a240f87a194f24232dc22870dcc4487e21df34791713df51b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}