{
  "manageEntity": {
    "action": "Repost",
    "entityId": "571387",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xf1a12f53fdcc9e4d61c6b88008b7d2f205098eb80f8bc5eae17e9be6b96ca203",
    "signature": "0x62f5ab191059234b12208d7731985bcfdcd3d5bc4e176e09ad781c82ec493c346713b3ffb7c102c6cdea75188d3f4f965ec13088bc9b9ae7161546fb14f14de01c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
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}