{
  "manageEntity": {
    "action": "Repost",
    "entityId": "555788888",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x2d610a7fad2695c59035b45a0b1635f618063894f3390e5f607e7a2c0bd57a2f",
    "signature": "0x4c90a0a0a5cb2e460c99f3e49ca38b3ebf594b6ad9c87b1f168fc5234da6b5313b0a9ea5d1e3b09bb8ffddc892fba6a4d2a1ed4da6cba8615e24f66e48c85ff11b",
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    "userId": "486490947"
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}