{
  "manageEntity": {
    "action": "Repost",
    "entityId": "664158",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xed72caef15fcae82514634359e209c72914d440c6193230ee93bbfb27b5a137a",
    "signature": "0x536a14af68fb72e8d16473c5b6f32d5b938cc6d1f6244b6f864d72b3868f5a2732addc4906990b0e69755c4fc31dee9829109f35f54cad0bd06ba3d1bb0832ae1b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}