{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "801428367",
    "entityType": "Track",
    "nonce": "0x7813d1e196b40f2205ec5a2118a64c0a92e5dc09208bc4ba32d5e2e246c5f663",
    "signature": "0x0df18ca7edfc18176d8458d2fcb5408c12d18c8391b5be5fc7096218ce0e3beb4c292373e794693ae466e95a8604593e2ee162674f56bd47411f9f4d935fb8ee1c",
    "signer": "0x1D3154487c6d305D65C00E8659C465F3a68fc85C",
    "userId": "673590053"
  }
}