{
  "manageEntity": {
    "action": "Repost",
    "entityId": "556653803",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa0707aefec2148c5048d35ed656b6e76404f4039b096f079d939f0441e36aa62",
    "signature": "0xd60f7187d3b454f0aba55fdcfeabbc1fba663ef2eb4fbe1a1ce0b121e9eb7aae78ed4fe55be74e1e7e2fe6c8deab48ce96dffae210d128e36aeb9916f33ac6691b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}