{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1604665296",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8c875889a50c29ea27d023116329f59697f89ccbde15ae63cf2330ed0eddc5b6",
    "signature": "0xf3562011b8efb3448b4624f2e45ca48e3494a7c23cc43b39270873513738390927535a627238d861326b1e2bfe391ca26a5bca740074af55197c1b155867a73d1c",
    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
  }
}