{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1519418459",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x09089dd91fe67fa2ef0b4d7af518b7403709e4549eb8c7717e6f1ffe653a70a1",
    "signature": "0x62209308a4020d65cf10585271d7fe3d2d45dbf88e24e72e7bd40efb039e0a140bf0362a72c6c7e45fe26df5f8f60e53844415f634a7d583e3751c8d83d68cbc1b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}