{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1209857523",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb03f29f28e9f064d1428ee68050c957e3db03ec9dc5fe61243b8023e60f2fac6",
    "signature": "0xbec174fb166dc02b47c8c6f087d1617a550936550ba4923be5635385fe3fc8552f19e3836c619ba4c814b852b656a76a61fee080bcbb02dc09a2501ab46068601c",
    "signer": "0x1E99D4D9F7d0cD7a0Ce863524829945D80Ba03ee",
    "userId": "908428785"
  }
}