{
  "manageEntity": {
    "action": "Repost",
    "entityId": "603760651",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb45fb990fb38fa95cecc6808a2c2b448782165e1be49c43ddd7f0a1092596398",
    "signature": "0xd3755d25b98dce6ed9419744ce37dffa0d524b9e2e49f0fc3b4fe2e1736939545b8a3ebf3f96d5f576f1daab183157e1f7f6f3d3aadccd5e53f4569d35cd8d631b",
    "signer": "0x569a23a5D506E4404139fB7510738Ee5b80F5624",
    "userId": "280440301"
  }
}