{
  "manageEntity": {
    "action": "Repost",
    "entityId": "499123574",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd1970b3321aa3d045feabc06c7b42e7cf2f5adb639dbdd98977accdad3dc156e",
    "signature": "0xa46533e55c0cbc68c21492bc5d0ad00e628a64e821996a7c68e249fd821056170154b758cd1d312b3966607f8830ce00c4a65ed10793eba31a95c9e27887ba041c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}