{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1503708569",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd478d21de706f4b003fd4d61629fdce392be7567cc923fd381ca66adc8648d8c",
    "signature": "0x57de5ef4161dbf1862ca2f30ed2610d6f2701c148856701a09f0f812273f848c15fb071deaac2671ce38c963999ae4d6926eafd201c07187f657958a492bac1c1c",
    "signer": "0x849938DF063059EbF6d907f55E72C083347C9343",
    "userId": "796529120"
  }
}