{
  "manageEntity": {
    "action": "Repost",
    "entityId": "428376",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8d947822f163778af7fad2f08837397af5c07891e178381fe66a8c4a0c52fe2e",
    "signature": "0x873c8e3ad17228e9e54391efe1226277e57d50c11bc02bc559d9911bf9e37b0e3b290603b97a5a3a53eeaef04bc6e1822b3de07f05a62a584c67bcdddc2ac46d1b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}