{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1550876490",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9e1f96472ba359b9844b7f7e9246272e506ce6472f726cc85bd35631bc626d94",
    "signature": "0xfc7a47cca8ffff2d7d5f54726f5168e99966943ceab80153e387fdce12d24e2333b6242dfdd11fbe1ebe1e1014f0186f6a6a33fa8477459ca6c4df35c8befe721b",
    "signer": "0x2D566E1DaC6fc148a694abe846B32e39B6584aa5",
    "userId": "890889753"
  }
}