{
  "manageEntity": {
    "action": "Repost",
    "entityId": "721948849",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x20856d17aac4fd308ad497174c00cf9286fb10a4aa2d439df92b4d05b54c1e05",
    "signature": "0xe3460d396aa88cec943c85abfd4cb557f03c0f942e482604defc74549601275620e4d6d907f4b505a92e58b4646ae76f7c6cbde4af2d3634cbeb392b17f3b38d1b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}