{
  "manageEntity": {
    "action": "Repost",
    "entityId": "556054050",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x04b40e8aad232a9ad723cb33ed0f5f4ac14fa12af49edee7ed75e4bd93980c08",
    "signature": "0xd6e722c1081f7b35ed2355de27678dba32fbf2053906c900c20ed0f043b63b6941361b955c3ff90c6058f249bed73c5a5659670235272beb4d0e98faccb5922f1b",
    "signer": "0xa185Ff45de6FF68eAa1d7ceC338cba250810134c",
    "userId": "54166466"
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}