{
  "manageEntity": {
    "action": "Repost",
    "entityId": "421655390",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa950771a81454c9bf26a407389b0180af08a835e3b085752cc9e5911f1a85003",
    "signature": "0xd539f3ad2c48d32846d2cbd35cf42c2723ec0cb83eb7ee4547465ea53597e6370b914acc7dc9fcec63289e1f5240b46616b98bd4eba7c41f3e0f7d3fcc1ea2fc1c",
    "signer": "0xD07A680d4F48bA7Cc076c23f40870AccBbad1987",
    "userId": "16411799"
  }
}