{
  "manageEntity": {
    "action": "Repost",
    "entityId": "638475792",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb8ac2e22f78c7eab8ac0f6002596853823feaf4ea9f074cc73e9cd71d780dba6",
    "signature": "0x6954d0b84238cbafd13668fc1a1ff92de91a602a35d74834c25a6a59453ce2dd42bb39dc873798a02d9ba1af27c0ffcab70a85354d540c3ede3f56d6d79c5c181c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}