{
  "manageEntity": {
    "action": "Repost",
    "entityId": "564561391",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xab9756729c7c4e57b46b5b363d072235caadfdf0bd49297456e417fa50a11ee1",
    "signature": "0xd7d748f5184539c57aa9d4fa0d2a22c057063c2695612ce798ab88f23fb599f2391dbfe01f39d0b5c25dd063b6bb3a4e1d762bc4bec51cfd713855ca50b1dc281b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}