{
  "manageEntity": {
    "action": "Repost",
    "entityId": "690599416",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xf9d4e18f7ae08c5507e919d2071211b4868eff6b82b0b333229f0c3e877b40ee",
    "signature": "0x186df0271256d12f586bbc4842e6c2ba540b2ce91fadcf91d52a92a2585c69752ce52420ef34cd5c45e8b358b41edfb571dc899885ad7fc4063b8237fd1ab0051b",
    "signer": "0x1d868e2cc29848871636BdCF83a08A975835b6DD",
    "userId": "120328011"
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}