{
  "manageEntity": {
    "action": "Repost",
    "entityId": "640916",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x69d72ffc133532561833a03a8f89e245d4b3b6fa785ebefd815e5aa61827c480",
    "signature": "0x55236f17c4fd25c91ef25aeca87a5ddbcdf3025007a203bf464b21dd7fffe7140bd07ef25b72ae879aca7497c2a285a0ec5b7911ce645ce934e950235c99e2101c",
    "signer": "0x7E7b9c4DAC3F284d889a5bc274eA80b8BA5F63ee",
    "userId": "670307808"
  }
}