{
  "manageEntity": {
    "action": "Repost",
    "entityId": "538767",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xfd983beec3940cbfb9c44ecef9f4c947f4513e606cb979aac7671f24f09b5cde",
    "signature": "0x52ae24b258a8eeacd0061b2dc7b6b1e252aa56b781cf9bbd14c45afc670aa0f55f11bfcdf2a296d859d32fef0814040e8fc41c03ab53966b423dde2b94660e591c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
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}