{
  "manageEntity": {
    "action": "Repost",
    "entityId": "545399",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa31675f77999304dccf6c4bb02d15ea59810023cd4c5989e4eea987286f2ea6a",
    "signature": "0xa9b0ca343c03490912ab05833bd4afebfce5bcc4f666235b3d0e6efe963e218c70d5ccc03f33fe8d0e3d7fef7f38833bcf2f14695bc931358c90cafbfe1f39391b",
    "signer": "0x0E6Ef8dF2F401D8918d603B82ef321D94A721556",
    "userId": "648802251"
  }
}