{
  "manageEntity": {
    "action": "Repost",
    "entityId": "557293",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x98fb234a787d4ef847c6d2c607804fc37e6009492fa039f61cc3d94979c28d4a",
    "signature": "0x4ef2cbbc8459b4906a0824bf4eefba246268d26e13c83be373fef20b0fe81e717df82732760c4550be0fd2c17342b78dc63bf182c8970e023a3f219d2f83f74d1b",
    "signer": "0x4fdc03E53311BF6b1B8728dd0Ae0630bF74176f1",
    "userId": "162770660"
  }
}