{
  "manageEntity": {
    "action": "Repost",
    "entityId": "643725035",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1a846cdef8649a3de09efcbef182be3905c20140d3d61326251eab4c70802baf",
    "signature": "0x36b588fca261d1586c095f50edc54408d1a8c526fb6181670dfc689d01ad04b93a672a39b19d90b759177c9f9fb4825a6f966df98cd7827e054eb0edb96a6b041b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}