{
  "manageEntity": {
    "action": "Repost",
    "entityId": "604486965",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb7434146030961e5f6671b1506d099e854d34f2266716150efb7d47be2acd6b2",
    "signature": "0x78478e13d0f9c7e5e6f6bdcf149cc8a8ea4c969ede7e89259422ae482213078d52233824f582ef89342abd3a0dbb05fa1fa2f06f88e92f0a4fcf59edfcd0b4a51c",
    "signer": "0x1d868e2cc29848871636BdCF83a08A975835b6DD",
    "userId": "120328011"
  }
}