{
  "manageEntity": {
    "action": "Repost",
    "entityId": "644734",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x31b988686efc968fb12151a312ccdf804027c3e688365d339f948362b7d7dde1",
    "signature": "0xa41ea6e06277f88f752223d0ea638d8b0e9f76bffc638edce74d860450020b9e1049af9144281995d15708bf5e78dc9a93e647c57d76e9bfc0e433ba852601b21b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}