{
  "manageEntity": {
    "action": "Repost",
    "entityId": "445856",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xac1d02ce8b021d95ba19a4ca88e9306bf1d912561e62a6c6ed89bc100c42e608",
    "signature": "0x7d0e21096415b1cabbc17666124c79de31f4ac5d3991bf8cb4c4c5b99f55fd1b24517ccf1082e08ba43441bd86b7d56343b795e11fc8609d081f6bd984ad5dea1b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
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}