{
  "manageEntity": {
    "action": "Repost",
    "entityId": "519522634",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x01fb0e824e98f898e72dad3f9ea2bfd43e04398cccb063701c4458f2681609f1",
    "signature": "0xa58f76b0ac706a038128fa67d418405662da4cb9eedddcaae4c52757abc0b3712387d5add5d3b8e9ec8627a97c4755dcdbc3c5c91cbde4e7c1d94cc309659a3f1b",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}