{
  "manageEntity": {
    "action": "Repost",
    "entityId": "515906772",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xc9996b33a353cab13daa8fdceedc5208494c22b77c58f8c994cc09a03aac2dcb",
    "signature": "0x3ccbc5a30583c33f4b2967e7a4645063c26eacf36702d0bb31f3c55a54f2a81f3095c3ad05006bb6674a42a8f02b489b18e654779b5f490ef386ac534b62db691b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}