{
  "manageEntity": {
    "action": "Repost",
    "entityId": "123421261",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd12ac269800554cf17f443b0cdfd22b7b5918efdc792dbb256174c2488dd5264",
    "signature": "0x4e7b95dafd600b8b9fb83300d206ba2f92464375ad70ee98026feacbdbcb16ed68c02f0fa4388b0b4e7331ffbd538defee75d22a14862082a0a5f58aaaaa2b161c",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}