{
  "manageEntity": {
    "action": "Repost",
    "entityId": "669832901",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa173a7d18a6be09253d156707693f69cd54d65aea61ea94d8cea6c9770278e5b",
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    "signer": "0x569a23a5D506E4404139fB7510738Ee5b80F5624",
    "userId": "280440301"
  }
}