{
  "manageEntity": {
    "action": "Repost",
    "entityId": "474883",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x81e1a7951155d1dcf931b9e27b0b6e01fae8ea71ee11a285e30451f3207f5369",
    "signature": "0x504761aef4b368caba9227fbb6cbf03ddbc15c8515e796af25e285bc9b8384ea11e4161238aa068380bf9706f716ed0f653b65150891f0e62019489d719079e81c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}