{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1591743766",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x034802e2f08b328da4edd300311f541445df23cbc94f50755d569c6fc9dc01e3",
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    "signer": "0xC0eEcD5Ab99B0f0BCcD79Cf620CA23C758E8a338",
    "userId": "136979704"
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}