{
  "manageEntity": {
    "action": "Repost",
    "entityId": "544573",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xbe666c8744170d9f2b7a7b8f7c31a22221e91f64268e8a0f1699ee1bc7b51720",
    "signature": "0x667d0cb826e50c94a9105378b669f4f634fae99b4a6aadb82d5b111b4b357a8148268e0efd6ed07c873e6c467e88b7c0160f2b2c10e9a2036550f05253b420481c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}