{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "1745420508",
    "entityType": "Track",
    "nonce": "0xeee08ca7702899ec799a254b844090471276a034d816a8366ff766b28fdba2cd",
    "signature": "0x17cd48fc8c393a751e9627dd5397b73434a312526fd02fd607545c8c863c6231049a3134846e61c54a64ca8d06c98390c126852a1110bbb321cba012dcf6a15a1b",
    "signer": "0xA01ebc830d66b9A7a47A2EC95BcA34ED6EB49a45",
    "userId": "463524416"
  }
}