{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1564443616",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb9448bca9d55d079e6322a14d25446bf9c427ebc3315df71ad1ab816b7ba5de6",
    "signature": "0x3014a1d458bb21b3b8b9b42e3a70d8a7248f8d14303c27da719365f3e4136f0139e87ab1fae40c90f0044ede3b63190fe1bfc917a93febcec7165e628e6883b51c",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}