{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1396273491",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x40d7af2889144ea19f4a623cc05f4206f57b76b283e2e9a90f998532d3b62b0f",
    "signature": "0xbdeb0a19bbc684c9c570bca08234572269944b368934d273b4c5dc9e82d525fd7575c10e02e88c72ad2879619a8e54caab8bcdd30405f095a94314f8b70efaa21c",
    "signer": "0xf40D844F18ceEb158472fa074B5706946f2bb643",
    "userId": "1721"
  }
}