{
  "manageEntity": {
    "action": "Repost",
    "entityId": "445542978",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4e3fd9414c73c9d01605247cf89818befb5d367929fce73c4cbd861b75494b7a",
    "signature": "0x6d631c715324335e1f0bfa3f9693c6c851cf67b294166782751709e64a69d3fc044b88dec3f6d674a44d453ac7161df18899806e89edb41f73e84b15944720a91b",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}