{
  "manageEntity": {
    "action": "Repost",
    "entityId": "421155",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xba0df31407387878cbec04fe5b2c4ddfce5d8f3e2b050a6be0f43c09873ea06c",
    "signature": "0x280dc1b80426d62c9a816a995f99107d34cb35d2f9e42dfdf52e8ad5f503400a6d6ebe04c3001d946fcf5bed063e51a99022d79bd5f6f1ab514f775e26a5a96a1b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}