{
  "manageEntity": {
    "action": "Repost",
    "entityId": "456821",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1e4aac7ac69e2e899290b50bdec7c5c38ef327a3f6cc5c5dfddecfa4bc15cb91",
    "signature": "0x2cafc0eb8f3e74627a243ca8608c7545ede0efbad002c9ff2edf1fb82ef8e31077bfb94c1888234685606caf835eec057ed628eb65bbf45d131871c2ab99418e1c",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}