{
  "manageEntity": {
    "action": "Repost",
    "entityId": "561534503",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3818977caee104e9e138e0707b73423c95e20f56b378d13e7aa074541148569e",
    "signature": "0xc7e1a90f974064c0fa66cb555982227cf0922e78c4650fbda6c498489d02798f71ef03c75ec7cccc84e12f6e419744eabc0c164b60279875aa8957837433fb981b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}