{
  "manageEntity": {
    "action": "Repost",
    "entityId": "407351603",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x90af8179056aa37850e703406b844f96b69193c7eddac40ccccd6345d9e89f2d",
    "signature": "0xa91703b9be57f8f216547e32de9ae9308287ee26c3775e154c83e04279831f5400a9c554674acbf9427606b1233c5c68113fd70d2998c60bc759f200a5e2ba8d1c",
    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}