{
  "manageEntity": {
    "action": "Repost",
    "entityId": "721788",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xc13c56a808250f132cd6333a997e7d0ed2c857a1dffaa23f94d6f4dba362b05e",
    "signature": "0x01c4e548684fbd39ad193b4a3d30d6e82dac7a0accb86612ef2088ae29556b140f0df239f6864e15890e4b05d8d21af3c0b269e571ac8afbcc1a9bd2beb17fa71b",
    "signer": "0x2BD0c2111290EB20B2843e8b1c0f25aA5cd52a6f",
    "userId": "618242981"
  }
}