{
  "manageEntity": {
    "action": "Repost",
    "entityId": "748848540",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x914896fbc96430340531ea2167d9d36083d2ff3899690445ab0989b0a37079e9",
    "signature": "0xcc0e5a4f4f48ab7aa6cd49ac7607d892984a625c9497a5377481d215faaa4478074a4f315b520608a0725f177288676194d087095eade060613fdd8f16cfb5b81b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}