{
  "manageEntity": {
    "action": "Repost",
    "entityId": "21903",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xe39d042bcd91a003d778b9c3c5e0844ff014d0ec4296ce641ef3b24540461f80",
    "signature": "0xb88fd63ca6f8cc418939161fbe7e2386666d77f60c0e308cad4bb0974d0230742eef8269030c0ee84db5276f79cc706a40052675d02810dedf4c5baf776aa86f1c",
    "signer": "0x036B1ee0d2003ae5B5E252d58647d13f0e588EEB",
    "userId": "161353174"
  }
}