{
  "manageEntity": {
    "action": "Repost",
    "entityId": "672656992",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5c4c2ee51e229d9ca005c70eba89d0716e045d429398192201a8803059bdf828",
    "signature": "0x4191594f2ce243dc06d3862dc0441f59a85f6876ae9668c52238f0e1365920774e236de39af98c5f5b823ca9bf30a2d646d96347548852afc125c933d8d5f38a1b",
    "signer": "0x5D4848bCf5c4abA1a0Fdf2B61408c9e4288aDb0E",
    "userId": "305415280"
  }
}