{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1564862377",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xbccf84a75e8aeb4004007e47ffe1c9879e74085087da81dc5228fcf439a0a438",
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    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}