{
  "manageEntity": {
    "action": "Repost",
    "entityId": "21740",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x58a68f41e51186c316740cd03c9431e8ce580db41b17f2bf5525ceba0ce1acb7",
    "signature": "0x633da12042f6f4fa4f9b5c701a3e166d563bfe3721a99c1547f4e70a67cb673e65f55a3e04951dbcb8b743ff2b8c5e00d01eb521d60bffa1d9284a498a1bb2711c",
    "signer": "0x879AB09f06df488AF471eeBA6489678312560024",
    "userId": "903958768"
  }
}