{
  "manageEntity": {
    "action": "Repost",
    "entityId": "290554",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xbcfee67bfae122991ba67323b4ccc755a056e0e0d89bd9e06b21c3a49874a3b9",
    "signature": "0xaf444cf339dc06efdfbff1c5423122121779dcd399d2365981796af6e288941c654148183fa12852ae3308fbc81aef9d0ce023a921c77d6f22bfc5aaa8831a761b",
    "signer": "0x102a924C1c076Dcb5816d20E32Dcb6F00e75F2C9",
    "userId": "485987672"
  }
}