{
  "manageEntity": {
    "action": "Repost",
    "entityId": "454690",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x80a26d75fa2a6f4710f04a47ef5b18e15bd7a7ccc626e7817c7939a600ccf8af",
    "signature": "0x372c8e21edf6b468fc3585829099f90d6b8838ba88045b991c08e1eeaaf767fe156161f257352a3f3f91a071bc7d07d0159ed2edeb41d8eac68c1bce9b5191691c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}