{
  "manageEntity": {
    "action": "Repost",
    "entityId": "399338531",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7018b34c0656d441778b280e353c5871f3c75526d04c8db504005e3128906f97",
    "signature": "0xf1248b06b2e1a92aa308a9d4079df551fa75e8f6b8e358a3b55e13435016ae6a274f5200f5a1a9c93532c9dae4987632304052e12e1112acfbbceb2fc761b8201c",
    "signer": "0x7E7b9c4DAC3F284d889a5bc274eA80b8BA5F63ee",
    "userId": "670307808"
  }
}