{
  "manageEntity": {
    "action": "Repost",
    "entityId": "856520",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5864e148c728efee5e3d9936e04c782817f708dff50a7c89a669f3afdcbfda7a",
    "signature": "0xdcc85c3843fbfccec51cb84beea5638bd2fe9d831025b85030857593f074d1cb1554ec75517cc1c375dac2e1a12be504a66c21bd92f2bb87249b3c993c082e831c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}