{
  "manageEntity": {
    "action": "Repost",
    "entityId": "521785509",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa07de0de1c611637e8794501dfdabadaabb47712fd6ebf98b5bfd9ddfe238934",
    "signature": "0x14e41e93c8476092ac20633de9a99d5063b97c13874bbbe03ba0ad0e88f6a14e4652fa30486efd982ca3fbb9febb351effd26d758d21f08ebf113ea02d3f02911c",
    "signer": "0xdB791822A11f5aDc830669bdADa8121a4558D7A3",
    "userId": "347139808"
  }
}