{
  "manageEntity": {
    "action": "Repost",
    "entityId": "506294479",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7459977986f2d68e4abeff3447336dd83f2a0c00322f056aec325eefff6e4fc0",
    "signature": "0xd816a4f1a15c029a0bb481756e751493a84436d91fe12794c8bca0b10b09701459df889744d290758025dd7594a2674aec72b73d605b79b1239dfe20609b12761c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}