{
  "manageEntity": {
    "action": "Repost",
    "entityId": "763555",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x352574e792c934661ee2a2357b7cc61a561ef068b759f66e04fd3f0dd2fc221d",
    "signature": "0xfb7a2cc03fc9d048dca9837ada8998ea4accc63086c378683c177e8ee0c520d6283816626ef8c6d5114fd13ee4d7be066195a16bfaff553487f167c231fa4cea1b",
    "signer": "0x4E3828bc809fb5B9deb81fa536cF73Dd5bF4eeB2",
    "userId": "185184169"
  }
}