{
  "manageEntity": {
    "action": "Repost",
    "entityId": "449792296",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8757c005a006455cd0410ee3199f7c7a119d52a8d18d079908f463e4968a422a",
    "signature": "0xd037d19a84714b598d24569e090bb0844a6dced2f784a1e165aa3cf2266189b150a2a1b9b6f2c62bda86669392fb241ba140654c6823191139394b060db1d74c1b",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}