{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1590368519",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x99a57712ec18687ec6ca67bdd923aebd52538961a5562fdb6f2ea710167e98cb",
    "signature": "0x339c29d21acceba788f07ff869bbac76fbf21560d9f7e1b1e620db6e16b3354134a2751d02c14dd5e311ecb0389bd6e88200b93aa8f44eace65010e55beb06821c",
    "signer": "0x7E7b9c4DAC3F284d889a5bc274eA80b8BA5F63ee",
    "userId": "670307808"
  }
}