{
  "manageEntity": {
    "action": "Repost",
    "entityId": "761748",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8ff890c97d0dd141dd02319dace837eeb08f22dcebebf62feda21b79a40fa2d5",
    "signature": "0x791d6a6dbcb59601373cc9f8579378826b1a1caca5e3d3e0a497d20aec5d06f2572ca34348e0bb29421dcc56704ef06ba64c2f6c5f41fe58174f77a2723b6c131b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}